Re: WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313 sk_clear_memalloc+0x49/0x70()

2013-11-11 Thread Zhouping Liu
CC'ing netdev@ to make more relative people know it. On 11/12/2013 11:16 AM, Zhouping Liu wrote: Hi All, I found the WARNING in the latest mainline with commint 8b5baa460b. [61323.305424] [ cut here ] [61323.310562] WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313

WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313 sk_clear_memalloc+0x49/0x70()

2013-11-11 Thread Zhouping Liu
Hi All, I found the WARNING in the latest mainline with commint 8b5baa460b. [61323.305424] [ cut here ] [61323.310562] WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313 sk_clear_memalloc+0x49/0x70() [61323.319779] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs

WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313 sk_clear_memalloc+0x49/0x70()

2013-11-11 Thread Zhouping Liu
Hi All, I found the WARNING in the latest mainline with commint 8b5baa460b. [61323.305424] [ cut here ] [61323.310562] WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313 sk_clear_memalloc+0x49/0x70() [61323.319779] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs

Re: WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313 sk_clear_memalloc+0x49/0x70()

2013-11-11 Thread Zhouping Liu
CC'ing netdev@ to make more relative people know it. On 11/12/2013 11:16 AM, Zhouping Liu wrote: Hi All, I found the WARNING in the latest mainline with commint 8b5baa460b. [61323.305424] [ cut here ] [61323.310562] WARNING: CPU: 8 PID: 12860 at net/core/sock.c:313

BUG: soft lockup - CPU#25 stuck for 23s! [memcg_process_s:5859]

2013-08-29 Thread Zhouping Liu
Hello All, I hit the following errors when running memcg_stress_test.sh comes from LTP test suite on v3.11-rc7+: snip - [ 2163.674483] BUG: soft lockup - CPU#25 stuck for 23s! [memcg_process_s:5859] [ 2163.674489] Modules linked in:

BUG: soft lockup - CPU#25 stuck for 23s! [memcg_process_s:5859]

2013-08-29 Thread Zhouping Liu
Hello All, I hit the following errors when running memcg_stress_test.sh comes from LTP test suite on v3.11-rc7+: snip - [ 2163.674483] BUG: soft lockup - CPU#25 stuck for 23s! [memcg_process_s:5859] [ 2163.674489] Modules linked in:

Re: [s390x] build error: undefined reference to `sie_exit'

2013-07-25 Thread Zhouping Liu
On 07/25/2013 05:21 PM, Heiko Carstens wrote: On Wed, Jul 24, 2013 at 10:09:13PM -0400, Zhouping Liu wrote: Hello All, I met the below error on b3a3a9c441 with s390x arch: arch/s390/built-in.o: In function `sys_call_table_emu': (.rodata+0x2b98): undefined reference to `sie_exit' arch/s390

Re: [s390x] build error: undefined reference to `sie_exit'

2013-07-25 Thread Zhouping Liu
On 07/25/2013 05:21 PM, Heiko Carstens wrote: On Wed, Jul 24, 2013 at 10:09:13PM -0400, Zhouping Liu wrote: Hello All, I met the below error on b3a3a9c441 with s390x arch: arch/s390/built-in.o: In function `sys_call_table_emu': (.rodata+0x2b98): undefined reference to `sie_exit' arch/s390

[s390x] build error: undefined reference to `sie_exit'

2013-07-24 Thread Zhouping Liu
Hello All, I met the below error on b3a3a9c441 with s390x arch: # make CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h CALLscripts/checksyscalls.sh CHK include/generated/compile.h CHK include/generated/uapi/linux/version.h LINK

[s390x] build error: undefined reference to `sie_exit'

2013-07-24 Thread Zhouping Liu
Hello All, I met the below error on b3a3a9c441 with s390x arch: # make CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h CALLscripts/checksyscalls.sh CHK include/generated/compile.h CHK include/generated/uapi/linux/version.h LINK

Re: [PATCH] mm, slab: corrected the comment 'kmem_cache_alloc' to 'slab_alloc_node'

2013-05-15 Thread Zhouping Liu
On 05/16/2013 02:10 AM, Pekka Enberg wrote: On Wed, May 15, 2013 at 8:10 PM, Zhouping Liu wrote: From: Zhouping Liu commit 48356303ff(mm, slab: Rename __cache_alloc() -> slab_alloc()) forgot to update the comment 'kmem_cache_alloc' to 'slab_alloc_node'. Signed-off-by: Zhouping Liu ---

[PATCH] mm, slab: corrected the comment 'kmem_cache_alloc' to 'slab_alloc_node'

2013-05-15 Thread Zhouping Liu
From: Zhouping Liu commit 48356303ff(mm, slab: Rename __cache_alloc() -> slab_alloc()) forgot to update the comment 'kmem_cache_alloc' to 'slab_alloc_node'. Signed-off-by: Zhouping Liu --- mm/slab.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slab.c b/mm/sla

[PATCH] mm, slab: corrected the comment 'kmem_cache_alloc' to 'slab_alloc_node'

2013-05-15 Thread Zhouping Liu
From: Zhouping Liu z...@redhat.com commit 48356303ff(mm, slab: Rename __cache_alloc() - slab_alloc()) forgot to update the comment 'kmem_cache_alloc' to 'slab_alloc_node'. Signed-off-by: Zhouping Liu z...@redhat.com --- mm/slab.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git

Re: [PATCH] mm, slab: corrected the comment 'kmem_cache_alloc' to 'slab_alloc_node'

2013-05-15 Thread Zhouping Liu
On 05/16/2013 02:10 AM, Pekka Enberg wrote: On Wed, May 15, 2013 at 8:10 PM, Zhouping Liu sanweiday...@gmail.com wrote: From: Zhouping Liu z...@redhat.com commit 48356303ff(mm, slab: Rename __cache_alloc() - slab_alloc()) forgot to update the comment 'kmem_cache_alloc' to 'slab_alloc_node

Re: 3.9.0: panic during boot at tick_do_broadcast

2013-05-08 Thread Zhouping Liu
- Original Message - > From: CAI Qian > Date: 2013/5/6 > Subject: 3.9.0: panic during boot at tick_do_broadcast > To: LKML vger.kernel.org> I bisected it, and found the murderer was this commit: b352bc1cbc29 tick: Convert broadcast cpu bitmaps to cpumask_var_t (CC'ed the patches'

Re: 3.9.0: panic during boot at tick_do_broadcast

2013-05-08 Thread Zhouping Liu
- Original Message - From: CAI Qian caiq...@redhat.com Date: 2013/5/6 Subject: 3.9.0: panic during boot at tick_do_broadcast To: LKML vger.kernel.org I bisected it, and found the murderer was this commit: b352bc1cbc29 tick: Convert broadcast cpu bitmaps to cpumask_var_t (CC'ed the

Re: [BUG][s390x] mm: system crashed

2013-04-18 Thread Zhouping Liu
Hello Heiko, - Original Message - > From: "Heiko Carstens" > To: "Zhouping Liu" > Cc: linux...@kvack.org, "LKML" , "caiqian" > , "Caspar Zhang" > , "Martin Schwidefsky" > Sent: Tuesday, April 16, 2013 3:50:

Re: [BUG][s390x] mm: system crashed

2013-04-18 Thread Zhouping Liu
Hello Heiko, - Original Message - From: Heiko Carstens heiko.carst...@de.ibm.com To: Zhouping Liu z...@redhat.com Cc: linux...@kvack.org, LKML linux-kernel@vger.kernel.org, caiqian caiq...@redhat.com, Caspar Zhang czh...@redhat.com, Martin Schwidefsky schwidef...@de.ibm.com Sent

Re: [BUG][s390x] mm: system crashed

2013-04-15 Thread Zhouping Liu
On 04/15/2013 01:56 PM, Heiko Carstens wrote: On Sun, Apr 14, 2013 at 11:28:40PM -0400, Zhouping Liu wrote: Hi All, I hit the below crashed when doing memory related tests[1] on s390x: --- snip - � 15929.351639¨ � <0021c0a6>¨ shrink_inactive_list

Re: [BUG][s390x] mm: system crashed

2013-04-15 Thread Zhouping Liu
On 04/15/2013 01:56 PM, Heiko Carstens wrote: On Sun, Apr 14, 2013 at 11:28:40PM -0400, Zhouping Liu wrote: Hi All, I hit the below crashed when doing memory related tests[1] on s390x: --- snip - � 15929.351639¨ � 0021c0a6¨ shrink_inactive_list+0x1c6

[BUG][s390x] mm: system crashed

2013-04-14 Thread Zhouping Liu
Hi All, I hit the below crashed when doing memory related tests[1] on s390x: --- snip - � 15929.351639¨ � <0021c0a6>¨ shrink_inactive_list+0x1c6/0x56c � 15929.351647¨ � <0021c69e>¨ shrink_lruvec+0x252/0x56c � 15929.351654¨ �

[BUG][s390x] mm: system crashed

2013-04-14 Thread Zhouping Liu
Hi All, I hit the below crashed when doing memory related tests[1] on s390x: --- snip - � 15929.351639¨ � 0021c0a6¨ shrink_inactive_list+0x1c6/0x56c � 15929.351647¨ � 0021c69e¨ shrink_lruvec+0x252/0x56c � 15929.351654¨ � 0021ca44¨

Re: [BUG?] thp: too much anonymous hugepage caused 'khugepaged' thread stopped

2013-04-07 Thread Zhouping Liu
On 04/07/2013 03:10 PM, Wanpeng Li wrote: On Sun, Apr 07, 2013 at 02:29:30AM -0400, Zhouping Liu wrote: Hello All, When I did some testing to check thp's performance, the following strange action occurred: when a process try to allocate 500+(or other large value) anonymous hugepage

[BUG?] thp: too much anonymous hugepage caused 'khugepaged' thread stopped

2013-04-07 Thread Zhouping Liu
Hello All, When I did some testing to check thp's performance, the following strange action occurred: when a process try to allocate 500+(or other large value) anonymous hugepage, the 'khugepaged' thread will stop to scan vma. the testing system has 2Gb RAM, and the thp enabled value is

[BUG?] thp: too much anonymous hugepage caused 'khugepaged' thread stopped

2013-04-07 Thread Zhouping Liu
Hello All, When I did some testing to check thp's performance, the following strange action occurred: when a process try to allocate 500+(or other large value) anonymous hugepage, the 'khugepaged' thread will stop to scan vma. the testing system has 2Gb RAM, and the thp enabled value is

Re: [BUG?] thp: too much anonymous hugepage caused 'khugepaged' thread stopped

2013-04-07 Thread Zhouping Liu
On 04/07/2013 03:10 PM, Wanpeng Li wrote: On Sun, Apr 07, 2013 at 02:29:30AM -0400, Zhouping Liu wrote: Hello All, When I did some testing to check thp's performance, the following strange action occurred: when a process try to allocate 500+(or other large value) anonymous hugepage

Re: THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

2013-04-01 Thread Zhouping Liu
On 04/02/2013 11:40 AM, Lin Feng wrote: Hi Zhouping, On 04/02/2013 11:09 AM, Zhouping Liu wrote: I don't understand clearly the last sentence 'you'll probably only get 100% hugepages only 1/512th of the time.' could you please explain more details about 'only 1/512th of the time'? IIUC, thp

Re: THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

2013-04-01 Thread Zhouping Liu
On 04/02/2013 06:23 AM, David Rientjes wrote: On Mon, 1 Apr 2013, Zhouping Liu wrote: Hi all, I found THP can't correctly distinguish one anonymous hugepage map. 1. when /sys/kernel/mm/transparent_hugepage/enabled is 'always', the amount of THP always is one less. It's not a problem

THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

2013-04-01 Thread Zhouping Liu
Hi all, I found THP can't correctly distinguish one anonymous hugepage map. 1. when /sys/kernel/mm/transparent_hugepage/enabled is 'always', the amount of THP always is one less. Testing code: snip unsigned long hugepagesize = (1UL << 21); int main() { void *addr;

THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

2013-04-01 Thread Zhouping Liu
Hi all, I found THP can't correctly distinguish one anonymous hugepage map. 1. when /sys/kernel/mm/transparent_hugepage/enabled is 'always', the amount of THP always is one less. Testing code: snip unsigned long hugepagesize = (1UL 21); int main() { void *addr;

Re: THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

2013-04-01 Thread Zhouping Liu
On 04/02/2013 06:23 AM, David Rientjes wrote: On Mon, 1 Apr 2013, Zhouping Liu wrote: Hi all, I found THP can't correctly distinguish one anonymous hugepage map. 1. when /sys/kernel/mm/transparent_hugepage/enabled is 'always', the amount of THP always is one less. It's not a problem

Re: THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

2013-04-01 Thread Zhouping Liu
On 04/02/2013 11:40 AM, Lin Feng wrote: Hi Zhouping, On 04/02/2013 11:09 AM, Zhouping Liu wrote: I don't understand clearly the last sentence 'you'll probably only get 100% hugepages only 1/512th of the time.' could you please explain more details about 'only 1/512th of the time'? IIUC, thp

BUG: soft lockup - CPU#7 stuck for 22s! [numad:564]

2013-01-23 Thread Zhouping Liu
Hello All, I hit the following crash in mainline(9a9284153d9 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux) snip - [ 1874.514412] BUG: soft lockup - CPU#7 stuck for 22s! [numad:564] [ 1874.520320] Modules linked in: ebtable_nat bnep bluetooth

BUG: soft lockup - CPU#7 stuck for 22s! [numad:564]

2013-01-23 Thread Zhouping Liu
Hello All, I hit the following crash in mainline(9a9284153d9 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux) snip - [ 1874.514412] BUG: soft lockup - CPU#7 stuck for 22s! [numad:564] [ 1874.520320] Modules linked in: ebtable_nat bnep bluetooth

Re: memcg: cat: memory.memsw.* : Operation not supported

2013-01-21 Thread Zhouping Liu
On 01/21/2013 06:56 PM, Michal Hocko wrote: On Mon 21-01-13 03:39:07, Zhouping Liu wrote: - Original Message - From: "Kamezawa Hiroyuki" To: "Tejun Heo" Cc: "David Rientjes" , "Michal Hocko" , "Zhouping Liu" , linux...@kvack.org,

Re: memcg: cat: memory.memsw.* : Operation not supported

2013-01-21 Thread Zhouping Liu
- Original Message - > From: "Kamezawa Hiroyuki" > To: "Tejun Heo" > Cc: "David Rientjes" , "Michal Hocko" , > "Zhouping Liu" , > linux...@kvack.org, "Li Zefan" , "CAI Qian" > , "LKM

Re: memcg: cat: memory.memsw.* : Operation not supported

2013-01-21 Thread Zhouping Liu
- Original Message - From: Kamezawa Hiroyuki kamezawa.hir...@jp.fujitsu.com To: Tejun Heo t...@kernel.org Cc: David Rientjes rient...@google.com, Michal Hocko mho...@suse.cz, Zhouping Liu z...@redhat.com, linux...@kvack.org, Li Zefan lize...@huawei.com, CAI Qian caiq

Re: memcg: cat: memory.memsw.* : Operation not supported

2013-01-21 Thread Zhouping Liu
On 01/21/2013 06:56 PM, Michal Hocko wrote: On Mon 21-01-13 03:39:07, Zhouping Liu wrote: - Original Message - From: Kamezawa Hiroyuki kamezawa.hir...@jp.fujitsu.com To: Tejun Heo t...@kernel.org Cc: David Rientjes rient...@google.com, Michal Hocko mho...@suse.cz, Zhouping Liu z

Re: [PATCH] mm: thp: Acquire the anon_vma rwsem for lock during split

2013-01-04 Thread Zhouping Liu
On 01/04/2013 10:08 PM, Mel Gorman wrote: Zhouping, please test this patch. Tested it, the issue is gone with following patch. Tested-by: Zhouping Liu Thanks, Zhouping Andrea and Hugh, any comments on whether this could be improved? ---8<--- mm: thp: Acquire the anon_vma rwsem for l

Re: kernel BUG at mm/huge_memory.c:1798!

2013-01-04 Thread Zhouping Liu
On 01/04/2013 01:57 AM, Mel Gorman wrote: (Adding Michel and Rik to cc) On Mon, Dec 24, 2012 at 11:38:51PM -0500, Zhouping Liu wrote: Hello all, I found the below kernel bug using latest mainline(637704cbc95), my hardware has 2 numa nodes, and it's easy to reproduce the issue using LTP test

Re: kernel BUG at mm/huge_memory.c:1798!

2013-01-04 Thread Zhouping Liu
On 01/04/2013 01:57 AM, Mel Gorman wrote: (Adding Michel and Rik to cc) On Mon, Dec 24, 2012 at 11:38:51PM -0500, Zhouping Liu wrote: Hello all, I found the below kernel bug using latest mainline(637704cbc95), my hardware has 2 numa nodes, and it's easy to reproduce the issue using LTP test

Re: [PATCH] mm: thp: Acquire the anon_vma rwsem for lock during split

2013-01-04 Thread Zhouping Liu
On 01/04/2013 10:08 PM, Mel Gorman wrote: Zhouping, please test this patch. Tested it, the issue is gone with following patch. Tested-by: Zhouping Liu z...@redhat.com Thanks, Zhouping Andrea and Hugh, any comments on whether this could be improved? ---8--- mm: thp: Acquire the anon_vma

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-28 Thread Zhouping Liu
On 12/28/2012 10:45 AM, Zhouping Liu wrote: Thank you for the report Zhouping! Would you be so kind to test the following patch and report results? Apply the patch to the latest mainline. Hello Zlatko, I have tested the below patch(applied it on mainline directly), but IMO, I'd like to say

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-28 Thread Zhouping Liu
On 12/28/2012 10:45 AM, Zhouping Liu wrote: Thank you for the report Zhouping! Would you be so kind to test the following patch and report results? Apply the patch to the latest mainline. Hello Zlatko, I have tested the below patch(applied it on mainline directly), but IMO, I'd like to say

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-27 Thread Zhouping Liu
On 12/28/2012 10:45 AM, Zhouping Liu wrote: Thank you for the report Zhouping! Would you be so kind to test the following patch and report results? Apply the patch to the latest mainline. Hello Zlatko, I have tested the below patch(applied it on mainline directly), but IMO, I'd like to say

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-27 Thread Zhouping Liu
> > Thank you for the report Zhouping! > > Would you be so kind to test the following patch and report results? > Apply the patch to the latest mainline. Hello Zlatko, I have tested the below patch(applied it on mainline directly), but IMO, I'd like to say it maybe don't fix the issue

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-27 Thread Zhouping Liu
Thank you for the report Zhouping! Would you be so kind to test the following patch and report results? Apply the patch to the latest mainline. Hello Zlatko, I have tested the below patch(applied it on mainline directly), but IMO, I'd like to say it maybe don't fix the issue completely.

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-27 Thread Zhouping Liu
On 12/28/2012 10:45 AM, Zhouping Liu wrote: Thank you for the report Zhouping! Would you be so kind to test the following patch and report results? Apply the patch to the latest mainline. Hello Zlatko, I have tested the below patch(applied it on mainline directly), but IMO, I'd like to say

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-26 Thread Zhouping Liu
On 12/26/2012 08:01 PM, Hillf Danton wrote: On Wed, Dec 26, 2012 at 7:22 PM, Zhouping Liu wrote: Hello everyone, The latest mainline(637704cbc95c) would trigger the following error when the system was under some pressure condition(in my testing, I used oom01 case inside LTP test suite

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000500

2012-12-26 Thread Zhouping Liu
On 12/26/2012 08:01 PM, Hillf Danton wrote: On Wed, Dec 26, 2012 at 7:22 PM, Zhouping Liu z...@redhat.com wrote: Hello everyone, The latest mainline(637704cbc95c) would trigger the following error when the system was under some pressure condition(in my testing, I used oom01 case inside LTP

Re: kernel BUG at mm/huge_memory.c:1798!

2012-12-25 Thread Zhouping Liu
On 12/25/2012 08:05 PM, Hillf Danton wrote: On Tue, Dec 25, 2012 at 12:38 PM, Zhouping Liu wrote: Hello all, I found the below kernel bug using latest mainline(637704cbc95), my hardware has 2 numa nodes, and it's easy to reproduce the issue using LTP test case: "# ./mmap10 -a -s -c 200&q

Re: kernel BUG at mm/huge_memory.c:1798!

2012-12-25 Thread Zhouping Liu
On 12/25/2012 08:05 PM, Hillf Danton wrote: On Tue, Dec 25, 2012 at 12:38 PM, Zhouping Liu z...@redhat.com wrote: Hello all, I found the below kernel bug using latest mainline(637704cbc95), my hardware has 2 numa nodes, and it's easy to reproduce the issue using LTP test case: # ./mmap10 -a -s

kernel BUG at mm/huge_memory.c:1798!

2012-12-24 Thread Zhouping Liu
Hello all, I found the below kernel bug using latest mainline(637704cbc95), my hardware has 2 numa nodes, and it's easy to reproduce the issue using LTP test case: "# ./mmap10 -a -s -c 200": [root@localhost linux]# cat .config | grep NUMA CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y

kernel BUG at mm/huge_memory.c:1798!

2012-12-24 Thread Zhouping Liu
Hello all, I found the below kernel bug using latest mainline(637704cbc95), my hardware has 2 numa nodes, and it's easy to reproduce the issue using LTP test case: # ./mmap10 -a -s -c 200: [root@localhost linux]# cat .config | grep NUMA CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y

Re: [PATCH 00/33] Latest numa/core release, v17

2012-11-22 Thread Zhouping Liu
On 11/23/2012 06:53 AM, Ingo Molnar wrote: * Ingo Molnar wrote: This release mainly addresses one of the regressions Linus (rightfully) complained about: the "4x JVM" SPECjbb run. [ Note to testers: if possible please still run with CONFIG_TRANSPARENT_HUGEPAGES=y enabled, to avoid the

Re: [PATCH 00/33] Latest numa/core release, v17

2012-11-22 Thread Zhouping Liu
On 11/23/2012 06:53 AM, Ingo Molnar wrote: * Ingo Molnar mi...@kernel.org wrote: This release mainly addresses one of the regressions Linus (rightfully) complained about: the 4x JVM SPECjbb run. [ Note to testers: if possible please still run with CONFIG_TRANSPARENT_HUGEPAGES=y enabled,

Re: [RFC PATCH 00/19] Foundation for automatic NUMA balancing

2012-11-07 Thread Zhouping Liu
cpu。 richard, I'm not sure whether your problem is occurred with the patch-set or not, if it's not related to the patches, you should report it on a *new* subject. Thanks, Zhouping > > > want help me > > richard > > >

Re: [RFC PATCH 00/19] Foundation for automatic NUMA balancing

2012-11-07 Thread Zhouping Liu
On 11/07/2012 11:25 PM, Mel Gorman wrote: On Wed, Nov 07, 2012 at 05:27:12PM +0800, Zhouping Liu wrote: Hello Mel, my 2 nodes machine hit a panic fault after applied the patch set(based on kernel-3.7.0-rc4), please review it: Early initialisation problem by the looks of things. Try

Re: [RFC PATCH 00/19] Foundation for automatic NUMA balancing

2012-11-07 Thread Zhouping Liu
On 11/07/2012 11:25 PM, Mel Gorman wrote: On Wed, Nov 07, 2012 at 05:27:12PM +0800, Zhouping Liu wrote: Hello Mel, my 2 nodes machine hit a panic fault after applied the patch set(based on kernel-3.7.0-rc4), please review it: SNIP Early initialisation problem by the looks of things. Try

Re: [RFC PATCH 00/19] Foundation for automatic NUMA balancing

2012-11-07 Thread Zhouping Liu
or not, if it's not related to the patches, you should report it on a *new* subject. Thanks, Zhouping want help me richard 2012/11/8 Zhouping Liu z...@redhat.com On 11/07/2012 11:25 PM, Mel Gorman wrote: On Wed, Nov 07, 2012

Re: [PATCH 00/31] numa/core patches

2012-11-01 Thread Zhouping Liu
On 11/01/2012 09:41 PM, Hugh Dickins wrote: On Wed, 31 Oct 2012, Hugh Dickins wrote: On Wed, 31 Oct 2012, Zhouping Liu wrote: On 10/31/2012 03:26 PM, Hugh Dickins wrote: There's quite a few put_page()s in do_huge_pmd_numa_page(), and it would help if we could focus on the one which is giving

Re: [PATCH 00/31] numa/core patches

2012-11-01 Thread Zhouping Liu
On 11/01/2012 09:41 PM, Hugh Dickins wrote: On Wed, 31 Oct 2012, Hugh Dickins wrote: On Wed, 31 Oct 2012, Zhouping Liu wrote: On 10/31/2012 03:26 PM, Hugh Dickins wrote: There's quite a few put_page()s in do_huge_pmd_numa_page(), and it would help if we could focus on the one which is giving

Re: [PATCH 00/31] numa/core patches

2012-10-31 Thread Zhouping Liu
On 10/31/2012 03:26 PM, Hugh Dickins wrote: On Tue, 30 Oct 2012, Johannes Weiner wrote: [88099.923724] [ cut here ] [88099.924036] kernel BUG at mm/memcontrol.c:1134! [88099.924036] invalid opcode: [#1] SMP [88099.924036] Modules linked in: lockd sunrpc kvm_amd kvm

Re: [PATCH 00/31] numa/core patches

2012-10-31 Thread Zhouping Liu
On 10/31/2012 03:26 PM, Hugh Dickins wrote: On Tue, 30 Oct 2012, Johannes Weiner wrote: [88099.923724] [ cut here ] [88099.924036] kernel BUG at mm/memcontrol.c:1134! [88099.924036] invalid opcode: [#1] SMP [88099.924036] Modules linked in: lockd sunrpc kvm_amd kvm

Re: [PATCH 00/31] numa/core patches

2012-10-30 Thread Zhouping Liu
On 10/29/2012 01:56 AM, Johannes Weiner wrote: On Fri, Oct 26, 2012 at 11:08:00AM +0200, Peter Zijlstra wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[] [] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450] [] do_huge_pmd_numa_page+0x180/0x500

Re: [PATCH 00/31] numa/core patches

2012-10-30 Thread Zhouping Liu
On 10/29/2012 01:56 AM, Johannes Weiner wrote: On Fri, Oct 26, 2012 at 11:08:00AM +0200, Peter Zijlstra wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[8118c39a] [8118c39a] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450

Re: [PATCH] sched, numa, mm: Add memcg support to do_huge_pmd_numa_page()

2012-10-29 Thread Zhouping Liu
On 10/29/2012 04:24 PM, Johannes Weiner wrote: Hello Ingo! On Mon, Oct 29, 2012 at 07:50:44AM +0100, Ingo Molnar wrote: * Zhouping Liu wrote: Hi Johannes, Tested the below patch, and I'm sure it has fixed the above issue, thank you. Thanks. Below is the folded up patch. Ingo

Re: [PATCH] sched, numa, mm: Add memcg support to do_huge_pmd_numa_page()

2012-10-29 Thread Zhouping Liu
On 10/29/2012 04:24 PM, Johannes Weiner wrote: Hello Ingo! On Mon, Oct 29, 2012 at 07:50:44AM +0100, Ingo Molnar wrote: * Zhouping Liu z...@redhat.com wrote: Hi Johannes, Tested the below patch, and I'm sure it has fixed the above issue, thank you. Thanks. Below is the folded up patch

Re: [PATCH 00/31] numa/core patches

2012-10-28 Thread Zhouping Liu
On 10/29/2012 01:56 AM, Johannes Weiner wrote: On Fri, Oct 26, 2012 at 11:08:00AM +0200, Peter Zijlstra wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[] [] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450] [] do_huge_pmd_numa_page+0x180/0x500

Re: [PATCH 00/31] numa/core patches

2012-10-28 Thread Zhouping Liu
On 10/29/2012 01:56 AM, Johannes Weiner wrote: On Fri, Oct 26, 2012 at 11:08:00AM +0200, Peter Zijlstra wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[8118c39a] [8118c39a] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450

Re: [PATCH 00/31] numa/core patches

2012-10-26 Thread Zhouping Liu
On 10/26/2012 05:20 PM, Ingo Molnar wrote: * Peter Zijlstra wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[] [] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450] [] do_huge_pmd_numa_page+0x180/0x500 [ 182.775090] [] handle_mm_fault+0x1e9

Re: [PATCH 00/31] numa/core patches

2012-10-26 Thread Zhouping Liu
On 10/26/2012 05:20 PM, Ingo Molnar wrote: * Peter Zijlstra wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[] [] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450] [] do_huge_pmd_numa_page+0x180/0x500 [ 182.775090] [] handle_mm_fault+0x1e9

Re: [PATCH 00/31] numa/core patches

2012-10-26 Thread Zhouping Liu
On 10/26/2012 05:20 PM, Ingo Molnar wrote: * Peter Zijlstra a.p.zijls...@chello.nl wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[8118c39a] [8118c39a] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450] [81183b60

Re: [PATCH 00/31] numa/core patches

2012-10-26 Thread Zhouping Liu
On 10/26/2012 05:20 PM, Ingo Molnar wrote: * Peter Zijlstra a.p.zijls...@chello.nl wrote: On Fri, 2012-10-26 at 17:07 +0800, Zhouping Liu wrote: [ 180.918591] RIP: 0010:[8118c39a] [8118c39a] mem_cgroup_prepare_migration+0xba/0xd0 [ 182.681450] [81183b60

[PATCH] hugetlb: update hugetlbpage.txt

2012-08-06 Thread Zhouping Liu
commit f0f57b2b1(mm: move hugepage test examples to tools/testing/selftests/vm) moved map_hugetlb.c, hugepage-shm.c and hugepage-mmap.c tests into tools/testing/selftests/vm/ directory, but it didn't update hugetlbpage.txt Signed-off-by: Zhouping Liu --- Documentation/vm/hugetlbpage.txt | 10

[PATCH] hugetlb: update hugetlbpage.txt

2012-08-06 Thread Zhouping Liu
commit f0f57b2b1(mm: move hugepage test examples to tools/testing/selftests/vm) moved map_hugetlb.c, hugepage-shm.c and hugepage-mmap.c tests into tools/testing/selftests/vm/ directory, but it didn't update hugetlbpage.txt Signed-off-by: Zhouping Liu sanweiday...@gmail.com --- Documentation/vm