itecture 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 completion of the probe.
>
> Signed-off-by: John
good to me.
Reviewed-by: Yasuaki Ishimatsu
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 file changed, 1 insertion(+), 1 deletion(-)
diff --git
(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
int x;
- VM_BUG_ON(nodeid > num_online_nodes());
+ VM_BUG_ON(nodeid < 0 || nodeid >= MAX_NUMNODES);
How about use:
VM_BUG_ON(!node_online(nodeid));
When allocating the memory, the node of the memory being allocated must be
online. But your code cannot check the condition.
T
gt;
> ---
The patch-set looks good to me.
Acked-by: Yasuaki Ishimatsu
Thanks,
Yasuaki Ishimatsu
> arch/powerpc/kernel/smp.c | 12 --
> arch/powerpc/platforms/pseries/dlpar.c | 40
> +-
> arch/x86/Kconfig
(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 mem
is intended by this set!
All patches were
Reviewed-by: Yasuaki Ishimatsu
Tested-by: Yasuaki Ishimatsu
Thanks,
Yasuaki Ishimatsu
Seth
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majord...@kvack.org. For more info on Linux MM,
see: http://www.li
(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()
In this case, the page used as PT/PMD 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
atches 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
, 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 las
Christoph Lameter
> Cc: Minchan Kim
> CC: Andrew Morton
> CC: KOSAKI Motohiro
> CC: Yasuaki Ishimatsu
> Signed-off-by: Wen Congyang
> ---
> drivers/acpi/acpi_memhotplug.c | 8 +-
> include/linux/memory_hotplug.h | 2 +-
> mm/memory_hotplug.c| 5
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
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 if the function is not
the
2012/10/06 4:36, KOSAKI Motohiro wrote:
On Thu, Oct 4, 2012 at 10:26 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 them
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
Hi Andrew,
2012/10/06 6:09, Andrew Morton wrote:
On Thu, 4 Oct 2012 14:31:09 +0900
Yasuaki Ishimatsu wrote:
When our x86 box calls __remove_pages(), release_mem_region() shows
many warnings. And x86 box cannot unregister iomem_resource.
"Trying to free nonexistent res
: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
mm/memory_hotplug.c | 54
1 file changed, 54 insertions(+)
Index: linux-3.6/mm/memory_hotplug.c
ph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
Signed-off-by: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
mm/memory_hotplug.c | 207
1 file changed, 207 insertions(+)
Index: linux-3.6/mm/memory
Motohiro
CC: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
arch/x86/include/asm/pgtable_types.h |1
arch/x86/mm/init_64.c| 147 +++
arch/x86/mm/pageattr.c | 47 +--
3 files changed, 173 insertions(+), 22 deletions
: Yasuaki Ishimatsu
---
arch/ia64/mm/discontig.c |8 +++
arch/powerpc/mm/init_64.c |8 +++
arch/s390/mm/vmem.c |8 +++
arch/sparc/mm/init_64.c |8 +++
arch/x86/mm/init_64.c | 119 ++
include/linux/mm.h|2
mm
implemented for ia64, ppc, s390,
and sparc.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
Signed-off-by: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/ia64/mm/discontig.c |6
arch/powerpc/mm
: Len Brown
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
mm/memory_hotplug.c | 15 +++
1 file changed, 11 insertions(+), 4 deletions(-)
Index: linux-3.6/mm/memory_hotp
Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
mm/memory_hotplug.c | 13 -
1 file changed, 8 insertions(+), 5 deletions(-)
Index: linux-3.6/mm/memory_hotplug.c
w how to implement it for s390).
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
arch/ia64/mm/init.c|
is allocated by bootmem.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
Signed-off-by: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/firmware/memmap.c| 98
: KOSAKI Motohiro
Signed-off-by: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/base/memory.c | 39 +++
include/linux/memory.h |5 +
mm/memory_hotplug.c| 17 +++--
3 files changed, 59 insertions(+), 2 deletions(-)
Index
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
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
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
Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 13 +
mm/memory
Hi Kosaki-san,
2012/09/29 7:15, KOSAKI Motohiro wrote:
On Thu, Sep 27, 2012 at 11:50 PM, Yasuaki Ishimatsu
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
remove_memory() only try to offline pages. It is
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
This patch series aims to support physical memory hot-remove.
The patches
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
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC
ut 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 write online/offline to /sys/de
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
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 if the function is not
the first
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
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/memory/memoryXX/state
In
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
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
://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
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
There is a possibility that get_page_bootmem() is called to the same page many
times. So when
Hi Wen,
2012/07/27 19:36, Wen Congyang wrote:
From: Yasuaki Ishimatsu
The patch adds node_set_offline() and unregister_one_node() to remove_memory()
for removing sysfs file of node.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC
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
u
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
arch/ia64/mm/init.c| 16
arch/powerpc/mm/mem.c
after the memory device
is offlined.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
I have no comment.
Reviewed
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
I have no comment.
Reviewed-by: Yasuaki Ishimatsu
Thanks,
Yasuaki Ishimatsu
drivers/acpi/acpi_memhotplug.c | 10 +++---
1 files changed, 7 insertions(+), 3 deletions
: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Yasuaki Ishimatsu
Signed-off-by: Wen Congyang
---
It looks to me.
Reviewed-by: Yasuaki Ishimatsu
Thanks,
Yasuaki Ishimatsu
drivers/acpi/acpi_memhotplug.c |8 +---
1 files changed, 5 insertions(+), 3
[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
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
>>
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 ad
Hi Bob,
2012/07/19 17:32, Bob Liu wrote:
On Wed, Jul 18, 2012 at 6:12 PM, Yasuaki Ishimatsu
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 zone argument is removed from
Hi Bob,
2012/07/19 17:19, Bob Liu wrote:
Hi Yasuaki,
On Wed, Jul 18, 2012 at 6:05 PM, Yasuaki Ishimatsu
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 the start/end pfn and there is
CONFIG_SPARSEMEM_VMEMMAP is deleted.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/x86/mm/init_64.c | 121
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
>>
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
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.
>>
&
: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
mm/memory_hotplug.c |5 +
1 file changed, 5 insertions(+)
Index: linux-3.5-rc6/mm/memory_hotplug.c
===
--- linux-3.5-rc6.orig/mm/memory_hotplug.c 2012-07-18 18:25
renschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/base/node.c |7 +++
1 file changed, 7 insertions(+)
Index: linux-3.5-rc6/drivers/b
CONFIG_SPARSEMEM_VMEMMAP is deleted.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/x86/mm/init_64.c | 121
: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/x86/mm/init_64.c | 52 +
include/linux/memory_hotplug.h
: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
include/linux/memory_hotplug.h |9 -
mm/memory_hotplug.c|8 ++--
2 files changed, 6 insertions(+), 11 deletions(-)
Index: linux-3.5-rc6/include/linux/memory_hotplug.h
oph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
mm/memory_hotplug.c | 15 +++
1 file changed, 11 insertions(+), 4 deletions(-)
Index: linux-3.5-rc6/mm/memory_hotplu
implements memory_block_release()
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/base/memor
Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/powerpc/platforms/pseries/hotplug-memory.c |5 +
include/linux/memory_hotplug.h |3 +--
mm/memory_hotplug.c | 19 ---
3 files changed, 14 insertions(+), 13 deletions
Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 13 +
mm
is allocated by bootmem.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/firmware/memmap.c| 78
: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
include/linux/mmzone.h | 21 +
mm/memory_hotplug.c| 13 +
2 files changed, 34 insertions(+)
Index: linux-3.5-rc6/include/linux/mmzone.h
.
- free acpi_memory_device
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/acpi/acpi_memhotplug.c
: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/acpi/acpi_memhotplug.c |2 +-
drivers/base/memory.c |4 ++--
include/linux/memory_hotplug.h |2 +-
mm/memory_hotplug.c|6 +++---
4 files changed, 7 insertions(+), 7 deletions(-)
Index: linux-3.5-rc4
hange.
CC: Thomas Gleixner
CC: Ingo Molnar
CC: H. Peter Anvin
CC: Tejun Heo
CC: Andrew Morton
Reviewed-by: Dave Hansen
Signed-off-by: Yasuaki Ishimatsu
---
arch/x86/kernel/e820.c|2 +-
drivers/firmware/memmap.c |8
2 files changed, 5 insertions(+), 5 deletions(-)
Index:
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 mem
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,
>>>>
>>>>
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,
>>>>
>&g
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 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 fr
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 ad
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 ad
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 ad
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
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
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 th
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 th
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
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 virt
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 onl
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
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 these
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
Congyang
Signed-off-by: Yasuaki Ishimatsu
---
mm/memory_hotplug.c |5 +
1 file changed, 5 insertions(+)
Index: linux-3.5-rc4/mm/memory_hotplug.c
===
--- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-07-03 14:22
renschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/base/node.c |7 +++
1 file changed, 7 insertions(+)
Index: linux-3.5-rc4/drivers/b
Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/x86/mm/init_64.c | 91 ++
include/linux/mm.h|2 +
mm/memory_hotplug.c |5 +
: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/x86/mm/init_64.c | 53 +
include/linux/memory_hotplug.h
: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
include/linux/memory_hotplug.h |9 -
mm/memory_hotplug.c|8 ++--
2 files changed, 6 insertions(+), 11 deletions(-)
Index: linux-3.5-rc4/include/linux/memory_hotplug.h
oph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
mm/memory_hotplug.c | 15 +++
1 file changed, 11 insertions(+), 4 deletions(-)
Index: linux-3.5-rc4/mm/memory_hotplu
Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/powerpc/platforms/pseries/hotplug-memory.c |5 +
include/linux/memory_hotplug.h |3 +--
mm/memory_hotplug.c | 20 +---
3 files changed, 15 insertions(+), 13 deletions(-)
Index
implements memory_block_release()
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/base/memor
Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 13 +
mm
is allocated by bootmem.
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/firmware/memmap.c| 78
chmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
mm/memory_hotplug.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-3.5-rc6/mm/memory
CC: David Rientjes
CC: Jiang Liu
CC: Len Brown
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Christoph Lameter
Cc: Minchan Kim
CC: Andrew Morton
CC: KOSAKI Motohiro
CC: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/acpi/acpi_memhotplug.c | 26
: Wen Congyang
Signed-off-by: Yasuaki Ishimatsu
---
drivers/acpi/acpi_memhotplug.c |2 +-
drivers/base/memory.c |4 ++--
include/linux/memory_hotplug.h |2 +-
mm/memory_hotplug.c|6 +++---
4 files changed, 7 insertions(+), 7 deletions(-)
Index: linux-3.5-rc4
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 of
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,
>>>>
>>>>
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