On 2015/6/30 19:53, Mel Gorman wrote:
> On Tue, Jun 30, 2015 at 12:46:54PM +0200, Ingo Molnar wrote:
>>
>> * Mel Gorman wrote:
>>
>>> [...]
>>>
>>> Basically, overall I feel this series is the wrong approach but not knowing
>>> who
>>> the users are making is much harder to judge. I strongly su
> Sounds logical. In that case, bootmem awareness would be crucial.
> Enabling support in just the page allocator is too late.
Andrew already applied some patches from me that I think covered bootmem
mirror allocations:
commit fc6daaf93151877748f8096af6b3fddb147f22d6
mm/memblock: add extra "f
On Tue, Jun 30, 2015 at 12:46:54PM +0200, Ingo Molnar wrote:
>
> * Mel Gorman wrote:
>
> > [...]
> >
> > Basically, overall I feel this series is the wrong approach but not knowing
> > who
> > the users are making is much harder to judge. I strongly suspect that if
> > mirrored memory is to
* Mel Gorman wrote:
> [...]
>
> Basically, overall I feel this series is the wrong approach but not knowing
> who
> the users are making is much harder to judge. I strongly suspect that if
> mirrored memory is to be properly used then it needs to be available before
> the
> page allocator
On Sat, Jun 27, 2015 at 10:19:54AM +0800, Xishi Qiu wrote:
> Intel Xeon processor E7 v3 product family-based platforms introduces support
> for partial memory mirroring called as 'Address Range Mirroring'. This feature
> allows BIOS to specify a subset of total available memory to be mirrored (and
On 2015/6/30 9:52, Dave Hansen wrote:
> On 06/29/2015 06:26 PM, Xishi Qiu wrote:
Has there been any performance analysis done on this code? I'm always
nervous when I see page_alloc.c churn.
>> Not yet, which benchmark do you suggest?
>
> mmtests is always a good place to start. a
On 06/29/2015 06:26 PM, Xishi Qiu wrote:
>> > Has there been any performance analysis done on this code? I'm always
>> > nervous when I see page_alloc.c churn.
>> >
> Not yet, which benchmark do you suggest?
mmtests is always a good place to start. aim9. I'm partial to
will-it-scale.
--
To u
On 2015/6/29 23:19, Dave Hansen wrote:
> On 06/26/2015 07:19 PM, Xishi Qiu wrote:
>> drivers/base/node.c | 17 ---
>> fs/proc/meminfo.c| 6 +++
>> include/linux/memblock.h | 29 ++--
>> include/linux/mmzone.h | 10
>> include/linux/vmstat.h | 2 +
>> mm/Kc
On 06/26/2015 07:19 PM, Xishi Qiu wrote:
> drivers/base/node.c | 17 ---
> fs/proc/meminfo.c| 6 +++
> include/linux/memblock.h | 29 ++--
> include/linux/mmzone.h | 10
> include/linux/vmstat.h | 2 +
> mm/Kconfig | 8
> mm/memblock.c
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