t;,
> ATTR{state}="online"
>
> On any architecture that uses memory_probe_store to reserve memory,
> this can interrupt the memory reservation process. This patch modifies
> memory_probe_store to take the hotplug sysfs lock to prevent the online
> of added memory before the
,
Yasuaki Ishimatsu
n = get_node(cachep, nodeid);
BUG_ON(!n);
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(2014/12/01 9:42), Paul Mackerras wrote:
On Mon, Dec 01, 2014 at 09:14:40AM +0900, Yasuaki Ishimatsu wrote:
(2014/12/01 7:16), Paul Mackerras wrote:
The bounds check for nodeid in cache_alloc_node gives false
positives on machines where the node IDs are not contiguous, leading
to a panic
...@samba.org
---
Looks good to me.
Reviewed-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
If you need to backport it into -stable kernel, please read
Documentation/stable_kernel_rules.txt.
Thanks,
Yasuaki Ishimatsu
v2: include the oops message in the patch description
mm/slab.c | 2 +-
1
):
hotplug, x86: Fix online state in cpu0 debug interface
hotplug, x86: Add hotplug lock to missing places
hotplug, x86: Disable ARCH_CPU_PROBE_RELEASE on x86
hotplug, powerpc, x86: Remove cpu_hotplug_driver_lock()
---
The patch-set looks good to me.
Acked-by: Yasuaki Ishimatsu
(2013/08/22 17:20), Yasuaki Ishimatsu wrote:
(2013/08/21 2:13), Seth Jennings wrote:
Right now memory_dev_init() maintains the memory block pointer
between iterations of add_memory_section(). This is nasty.
This patch refactors add_memory_section() to become add_memory_block
is intended by this set!
All patches were
Reviewed-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Tested-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Thanks,
Yasuaki Ishimatsu
Seth
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(2013/08/21 2:13), Seth Jennings wrote:
Right now memory_dev_init() maintains the memory block pointer
between iterations of add_memory_section(). This is nasty.
This patch refactors add_memory_section() to become add_memory_block().
The refactoring pulls the section scanning out of
can be freed.
By the way, why is 0xFD?
There is no reason. I just filled the page with unique number.
Thanks,
Yasuaki Ishimatsu
+ }
+ }
+
+ free_pte_table(pmd);
+ __flush_tlb_all();
+}
+
+static void vmemmap_pmd_remove(pud_t *pud, unsigned long addr, unsigned
patches are only this patch-set. So we hope that this patch-set
is merged into v3.8.
In merging this patch-set into v3.8, Linux on x86_64 makes a memory hot plug
possible.
Thanks,
Yasuaki Ishimatsu
If you want to know the reason, please read following thread.
https://lkml.org/lkml/2012/10/2/83
, and fixed them.
So we believe that Linux on x86_64 can support memory hot remove
by the patch-set.
Thanks,
Yasuaki Ishimatsu
2012/11/01 18:44, Wen Congyang wrote:
The patch-set was divided from following thread's patch-set.
https://lkml.org/lkml/2012/9/5/201
The last version
...@intel.com
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Hi Kosaki,
Sorry for late reply.
2012/10/13 4:28, KOSAKI Motohiro wrote:
On Thu, Oct 4, 2012 at 10:32 PM, Yasuaki Ishimatsu
isimatu.yasu...@jp.fujitsu.com wrote:
The function get_page_bootmem() may be called more than one time to the same
page. There is no need to set page's type, private
2012/10/06 4:36, KOSAKI Motohiro wrote:
On Thu, Oct 4, 2012 at 10:26 PM, Yasuaki Ishimatsu
isimatu.yasu...@jp.fujitsu.com wrote:
When (hot)adding memory into system, /sys/firmware/memmap/X/{end, start, type}
sysfs files are created. But there is no code to remove these files. The patch
)
return ret;
}
I believe the error to be fixed with this patch.
Could you try it?
Thanks,
Yasuaki Ishimatsu
and this patch never
appeared in linux-next before being merged. :-(
It was first sighted October 3.
I have reverted that commit for today.
If this patch truly was authored
Hi Andrew,
2012/10/06 6:09, Andrew Morton wrote:
On Thu, 4 Oct 2012 14:31:09 +0900
Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com wrote:
When our x86 box calls __remove_pages(), release_mem_region() shows
many warnings. And x86 box cannot unregister iomem_resource.
Trying to free
Hi Chen,
Sorry for late reply.
2012/10/02 13:21, Ni zhan Chen wrote:
On 09/05/2012 05:25 PM, we...@cn.fujitsu.com wrote:
From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
All pages of virtual mapping in removed memory cannot be freed, since some pages
used as PGD/PUD includes not only
The patch-set was divided from following thread's patch-set.
https://lkml.org/lkml/2012/9/5/201
If you want to know the reason, please read following thread.
https://lkml.org/lkml/2012/10/2/83
The patch-set has only the function of kernel core side for physical
memory hot remove. So if you use
: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/base/memory.c
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/firmware/memmap.c| 98 ++-
include/linux/firmware-map.h |6 ++
mm/memory_hotplug.c |7 ++-
3 files changed
@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
arch/ia64/mm/init.c| 18 ++
arch/powerpc/mm/mem.c
len.br...@intel.com
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
mm
: Jiang Liu liu...@gmail.com
CC: Len Brown len.br...@intel.com
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki
...@jp.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/ia64/mm/discontig.c |6
arch/powerpc/mm/init_64.c |6
arch/s390/mm/vmem.c|6
arch/sparc/mm/init_64.c|6
@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/ia64/mm/discontig.c |8 +++
arch/powerpc/mm/init_64.c |8 +++
arch/s390
...@intel.com
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
arch/x86/include/asm
: Len Brown len.br...@intel.com
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off-by: Wen Congyang we
CC: Jiang Liu liu...@gmail.com
CC: Len Brown len.br...@intel.com
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off
Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 13 +
mm/memory_hotplug.c |4 ++--
2 files changed, 11
question:
if use numa emulation, memory device will associated to one node or ...?
Memory device has only one node, even if you use numa emulation.
Thanks,
Yasuaki Ishimatsu
CC: David Rientjes rient...@google.com
CC: Jiang Liu liu...@gmail.com
CC: Len Brown len.br...@intel.com
CC: Benjamin
Hi Chen,
2012/10/02 8:45, Ni zhan Chen wrote:
On 10/01/2012 12:44 PM, Yasuaki Ishimatsu wrote:
Hi Chen,
2012/09/29 17:19, Ni zhan Chen wrote:
On 09/05/2012 05:25 PM, we...@cn.fujitsu.com wrote:
From: Wen Congyang we...@cn.fujitsu.com
This patch series aims to support physical memory hot
Hi Kosaki-san,
2012/09/29 7:15, KOSAKI Motohiro wrote:
On Thu, Sep 27, 2012 at 11:50 PM, Yasuaki Ishimatsu
isimatu.yasu...@jp.fujitsu.com wrote:
Hi Chen,
2012/09/28 11:22, Ni zhan Chen wrote:
On 09/05/2012 05:25 PM, we...@cn.fujitsu.com wrote:
From: Yasuaki Ishimatsu isimatu.yasu
Hi Chen,
2012/09/29 11:15, Ni zhan Chen wrote:
On 09/05/2012 05:25 PM, we...@cn.fujitsu.com wrote:
From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
The function get_page_bootmem() may be called more than one time to the same
page. There is no need to set page's type, private
you don't need to care about it.
Thanks,
Yasuaki Ishimatsu
3. hotplug the memory device(it depends on your hardware)
You will see the memory device under the directory /sys/bus/acpi/devices/.
Its name is PNP0C80:XX.
4. online/offline pages provided by this memory device
You can
Hi Chen,
2012/09/28 11:22, Ni zhan Chen wrote:
On 09/05/2012 05:25 PM, we...@cn.fujitsu.com wrote:
From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
remove_memory() only try to offline pages. It is called in two cases:
1. hot remove a memory device
2. echo offline /sys/devices/system
Hi Wen,
2012/09/11 11:15, Wen Congyang wrote:
Hi, ishimatsu
At 09/05/2012 05:25 PM, we...@cn.fujitsu.com Wrote:
From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
If system supports memory hot-remove, online_pages() may online removed pages.
So online_pages() need to check whether
://lists.gnu.org/archive/html/qemu-devel/2012-07/msg01389.html
Thanks,
Yasuaki Ishimatsu
Known problems:
1. memory can't be offlined when CONFIG_MEMCG is selected.
That's quite a problem! Do you have a description of why this is the
case, and a plan for fixing
Hi Wen,
2012/09/04 12:46, Wen Congyang wrote:
Hi, isimatu-san
At 09/01/2012 05:30 AM, Andrew Morton Wrote:
On Tue, 28 Aug 2012 18:00:20 +0800
we...@cn.fujitsu.com wrote:
From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
There is a possibility that get_page_bootmem() is called
of function for physical memory hot-remove, please let me
know.
change log of v5:
* merge the patchset to clear page table and the patchset to hot remove
memory(from ishimatsu) to one big patchset.
Thank you for merging patches. I'll review next Monday.
Thanks,
Yasuaki Ishimatsu
[RFC PATCH v5 1
Hi Wen,
2012/07/27 19:36, Wen Congyang wrote:
From: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
The patch adds node_set_offline() and unregister_one_node() to remove_memory()
for removing sysfs file of node.
CC: David Rientjes rient...@google.com
CC: Jiang Liu liu...@gmail.com
CC: Len
[Hi Wen,
Good news!! I was waiting for this patch to come.
Applying the patches, can we hot-remove physical memory completely?
Thanks,
Yasuaki Ishimatsu
2012/07/20 16:06, Wen Congyang wrote:
This patch series aims to support physical memory hot-remove(clear page table).
This patch series
CC: Benjamin Herrenschmidt b...@kernel.crashing.org
CC: Paul Mackerras pau...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu
Herrenschmidt b...@kernel.crashing.org
CC: Paul Mackerras pau...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
I have no comment.
Reviewed-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Thanks
...@jp.fujitsu.com
CC: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
arch/ia64/mm/init.c| 16
arch/powerpc/mm/mem.c | 14 ++
arch/s390/mm/init.c|8
arch/sh/mm
Hi Wen,
2012/07/19 14:58, Wen Congyang wrote:
At 07/18/2012 06:16 PM, Yasuaki Ishimatsu Wrote:
All pages of virtual mapping in removed memory cannot be freed, since some
pages
used as PGD/PUD includes not only removed memory but also other memory. So
the
patch checks whether page can
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/x86/mm/init_64.c | 121 ++
include/linux
Hi Bob,
2012/07/19 17:19, Bob Liu wrote:
Hi Yasuaki,
On Wed, Jul 18, 2012 at 6:05 PM, Yasuaki Ishimatsu
isimatu.yasu...@jp.fujitsu.com wrote:
remove_memory() does not remove memory but just offlines memory. The patch
changes name of it to offline_memory().
Since offline_memory() just align
Hi Bob,
2012/07/19 17:32, Bob Liu wrote:
On Wed, Jul 18, 2012 at 6:12 PM, Yasuaki Ishimatsu
isimatu.yasu...@jp.fujitsu.com wrote:
The patch adds __remove_pages() to remove_memory(). Then the range of
phys_start_pfn argument and nr_pages argument in __remove_pagse() may
have different zone. So
Hi Wen,
2012/07/19 16:23, Wen Congyang wrote:
At 07/18/2012 06:06 PM, Yasuaki Ishimatsu Wrote:
acpi_memory_device_remove() has been prepared to remove physical memory.
But, the function only frees acpi_memory_device currentlry.
The patch adds following functions
Hi Wen,
2012/07/19 18:45, Wen Congyang wrote:
At 07/18/2012 06:16 PM, Yasuaki Ishimatsu Wrote:
All pages of virtual mapping in removed memory cannot be freed, since some
pages
used as PGD/PUD includes not only removed memory but also other memory. So
the
patch checks whether page can
This patch series aims to support physical memory hot-remove.
[RFC PATCH v4 1/13] memory-hotplug : rename remove_memory to offline_memory
[RFC PATCH v4 2/13] memory-hotplug : add physical memory hotplug code to
acpi_memory_device_remove
[RFC PATCH v4 3/13] memory-hotplug : check whether
: Thomas Gleixner t...@linutronix.de
CC: Ingo Molnar mi...@kernel.org
CC: H. Peter Anvin h...@zytor.com
CC: Tejun Heo t...@kernel.org
CC: Andrew Morton a...@linux-foundation.org
Reviewed-by: Dave Hansen d...@linux.vnet.ibm.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch
...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers
: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/acpi/acpi_memhotplug.c | 27 ++-
drivers/base/memory.c
...@kernel.crashing.org
CC: Paul Mackerras pau...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu
: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/firmware/memmap.c| 78 ++-
include/linux
: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 13 +
mm/memory_hotplug.c |4 ++--
2 files
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/powerpc
: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/base/memory.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
Index: linux
-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
mm/memory_hotplug.c | 15 +++
1 file changed, 11 insertions(+), 4 deletions(-)
Index: linux-3.5-rc6/mm/memory_hotplug.c
===
--- linux-3.5-rc6.orig/mm
...@kernel.crashing.org
CC: Paul Mackerras pau...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu
...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/x86/mm/init_64.c | 52 +
include/linux/memory_hotplug.h |2 +
include/linux/mm.h |3 +-
mm
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/x86/mm/init_64.c | 121 ++
include/linux
Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/base/node.c |7 +++
1 file changed, 7 insertions(+)
Index: linux-3.5-rc6/drivers/base/node.c
===
--- linux-3.5-rc6.orig
...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
mm
Hi Wen,
2012/07/18 19:25, Wen Congyang wrote:
At 07/18/2012 06:07 PM, Yasuaki Ishimatsu Wrote:
If system supports memory hot-remove, online_pages() may online removed
pages.
So online_pages() need to check whether onlining pages are present or not.
CC: David Rientjes rient...@google.com
Hi Wen,
2012/07/18 19:33, Wen Congyang wrote:
At 07/18/2012 06:09 PM, Yasuaki Ishimatsu Wrote:
When (hot)adding memory into system, /sys/firmware/memmap/X/{end, start,
type}
sysfs files are created. But there is no code to remove these files. The
patch
implements the function to remove
Hi Wen,
2012/07/13 18:10, Wen Congyang wrote:
At 07/09/2012 06:26 PM, Yasuaki Ishimatsu Wrote:
When (hot)adding memory into system, /sys/firmware/memmap/X/{end, start,
type}
sysfs files are created. But there is no code to remove these files. The
patch
implements the function to remove
Hi Wen,
2012/07/16 11:32, Wen Congyang wrote:
At 07/09/2012 06:26 PM, Yasuaki Ishimatsu Wrote:
When (hot)adding memory into system, /sys/firmware/memmap/X/{end, start,
type}
sysfs files are created. But there is no code to remove these files. The
patch
implements the function to remove
Hi Wen,
2012/07/13 12:26, Wen Congyang wrote:
At 07/09/2012 06:24 PM, Yasuaki Ishimatsu Wrote:
acpi_memory_device_remove() has been prepared to remove physical memory.
But, the function only frees acpi_memory_device currentlry.
The patch adds following functions
Hi Wen,
2012/07/13 19:40, Wen Congyang wrote:
At 07/09/2012 06:24 PM, Yasuaki Ishimatsu Wrote:
acpi_memory_device_remove() has been prepared to remove physical memory.
But, the function only frees acpi_memory_device currentlry.
The patch adds following functions
Hi Wen,
2012/07/13 12:35, Wen Congyang wrote:
At 07/09/2012 06:24 PM, Yasuaki Ishimatsu Wrote:
acpi_memory_device_remove() has been prepared to remove physical memory.
But, the function only frees acpi_memory_device currentlry.
The patch adds following functions
Hi Wen,
2012/07/17 10:44, Yasuaki Ishimatsu wrote:
Hi Wen,
2012/07/13 12:35, Wen Congyang wrote:
At 07/09/2012 06:24 PM, Yasuaki Ishimatsu Wrote:
acpi_memory_device_remove() has been prepared to remove physical memory.
But, the function only frees acpi_memory_device currentlry.
The patch
Hi Wen,
2012/07/17 11:32, Wen Congyang wrote:
At 07/17/2012 09:54 AM, Yasuaki Ishimatsu Wrote:
Hi Wen,
2012/07/17 10:44, Yasuaki Ishimatsu wrote:
Hi Wen,
2012/07/13 12:35, Wen Congyang wrote:
At 07/09/2012 06:24 PM, Yasuaki Ishimatsu Wrote:
acpi_memory_device_remove() has been prepared
Hi Wen,
2012/07/17 12:32, Wen Congyang wrote:
At 07/17/2012 11:08 AM, Yasuaki Ishimatsu Wrote:
Hi Wen,
2012/07/17 11:32, Wen Congyang wrote:
At 07/17/2012 09:54 AM, Yasuaki Ishimatsu Wrote:
Hi Wen,
2012/07/17 10:44, Yasuaki Ishimatsu wrote:
Hi Wen,
2012/07/13 12:35, Wen Congyang wrote
Hi Wen,
2012/07/17 14:17, Wen Congyang wrote:
At 07/17/2012 12:51 PM, Yasuaki Ishimatsu Wrote:
Hi Wen,
2012/07/17 12:32, Wen Congyang wrote:
At 07/17/2012 11:08 AM, Yasuaki Ishimatsu Wrote:
Hi Wen,
2012/07/17 11:32, Wen Congyang wrote:
At 07/17/2012 09:54 AM, Yasuaki Ishimatsu Wrote:
Hi
Hi Dave,
2012/07/12 22:40, Dave Hansen wrote:
On 07/11/2012 09:52 PM, Yasuaki Ishimatsu wrote:
Does the following patch include your comment? If O.K., I will separate
the patch from the series and send it for bug fix.
Looks sane to me. It does now mean that the calling conventions
Hi Dave,
2012/07/12 22:40, Dave Hansen wrote:
On 07/11/2012 09:52 PM, Yasuaki Ishimatsu wrote:
Does the following patch include your comment? If O.K., I will separate
the patch from the series and send it for bug fix.
Looks sane to me. It does now mean that the calling conventions
Hi Wen,
2012/07/11 15:25, Wen Congyang wrote:
At 07/11/2012 01:52 PM, Yasuaki Ishimatsu Wrote:
2012/07/11 14:06, Wen Congyang wrote:
Hi Wen,
At 07/09/2012 06:33 PM, Yasuaki Ishimatsu Wrote:
I don't think that all pages of virtual mapping in removed memory can be
freed, since page which
Hi Dave,
2012/07/12 0:30, Dave Hansen wrote:
On 07/09/2012 03:25 AM, Yasuaki Ishimatsu wrote:
@@ -642,7 +642,7 @@ int __ref add_memory(int nid, u64 start,
}
/* create new memmap entry */
-firmware_map_add_hotplug(start, start + size, System RAM);
+firmware_map_add_hotplug
Hi Christoph,
2012/07/10 0:18, Christoph Lameter wrote:
On Mon, 9 Jul 2012, Yasuaki Ishimatsu wrote:
Even if you apply these patches, you cannot remove the physical memory
completely since these patches are still under development. I want you to
cooperate to improve the physical memory hot
Hi Jiang,
2012/07/11 1:50, Jiang Liu wrote:
On 07/10/2012 05:58 PM, Yasuaki Ishimatsu wrote:
Hi Christoph,
2012/07/10 0:18, Christoph Lameter wrote:
On Mon, 9 Jul 2012, Yasuaki Ishimatsu wrote:
Even if you apply these patches, you cannot remove the physical memory
completely since
Hi Jiang,
2012/07/11 9:21, Jiang Liu wrote:
On 07/11/2012 08:09 AM, Yasuaki Ishimatsu wrote:
Hi Jiang,
2012/07/11 1:50, Jiang Liu wrote:
On 07/10/2012 05:58 PM, Yasuaki Ishimatsu wrote:
Hi Christoph,
2012/07/10 0:18, Christoph Lameter wrote:
On Mon, 9 Jul 2012, Yasuaki Ishimatsu wrote
2012/07/11 14:06, Wen Congyang wrote:
Hi Wen,
At 07/09/2012 06:33 PM, Yasuaki Ishimatsu Wrote:
I don't think that all pages of virtual mapping in removed memory can be
freed, since page which type is MIX_SECTION_INFO is difficult to free.
So, the patch only frees page which type
Hi Wen,
2012/07/06 18:20, Wen Congyang wrote:
At 07/06/2012 04:27 PM, Yasuaki Ishimatsu Wrote:
Hi Wen,
2012/07/04 19:01, Wen Congyang wrote:
At 07/04/2012 01:52 PM, Yasuaki Ishimatsu Wrote:
Hi Wen,
2012/07/04 14:08, Wen Congyang wrote:
At 07/04/2012 12:45 PM, Yasuaki Ishimatsu Wrote:
Hi
This patch series aims to support physical memory hot-remove.
[RFC PATCH v3 1/13] memory-hotplug : rename remove_memory to offline_memory
[RFC PATCH v3 2/13] memory-hotplug : add physical memory hotplug code to
acpi_memory_device_remove
[RFC PATCH v3 3/13] memory-hotplug : unify argument
...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/acpi
-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/acpi/acpi_memhotplug.c | 26 +-
drivers/base/memory.c | 39
...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
mm/memory_hotplug.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-3.5-rc6/mm/memory_hotplug.c
===
--- linux-3.5-rc6.orig/mm
: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/firmware/memmap.c| 78 ++-
include/linux/firmware
: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 13 +
mm/memory_hotplug.c |4 ++--
2 files
: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/base/memory.c | 11 ++-
1 file changed, 10 insertions(+), 1 deletion(-)
Index: linux
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/powerpc/platforms
-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
mm/memory_hotplug.c | 15 +++
1 file changed, 11 insertions(+), 4 deletions(-)
Index: linux-3.5-rc4/mm/memory_hotplug.c
===
--- linux-3.5-rc4.orig/mm/memory_hotplug.c
...@kernel.crashing.org
CC: Paul Mackerras pau...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu
...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/x86/mm/init_64.c | 53 +
include/linux/memory_hotplug.h |2 +
include/linux/mm.h |3 +-
mm
...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
arch/x86/mm/init_64.c | 91 ++
include/linux/mm.h|2 +
mm/memory_hotplug.c |5 ++
mm/sparse.c |5 +-
4 files changed, 101 insertions(+), 2
Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
drivers/base/node.c |7 +++
1 file changed, 7 insertions(+)
Index: linux-3.5-rc4/drivers/base/node.c
===
--- linux-3.5-rc4.orig
...@samba.org
CC: Christoph Lameter c...@linux.com
Cc: Minchan Kim minchan@gmail.com
CC: Andrew Morton a...@linux-foundation.org
CC: KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com
CC: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
---
mm
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