Re: [PATCH -v3 03/10] mm, memcg: Support to charge/uncharge multiple swap entries

From: Huang\, Ying
Date: Thu Sep 08 2016 - 14:15:26 EST


Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx> writes:

> On 09/07/2016 10:16 PM, Huang, Ying wrote:
>> From: Huang Ying <ying.huang@xxxxxxxxx>
>>
>> This patch make it possible to charge or uncharge a set of continuous
>> swap entries in the swap cgroup. The number of swap entries is
>> specified via an added parameter.
>>
>> This will be used for the THP (Transparent Huge Page) swap support.
>> Where a swap cluster backing a THP may be allocated and freed as a
>> whole. So a set of continuous swap entries (512 on x86_64) backing one
>
> Please use HPAGE_SIZE / PAGE_SIZE instead of hard coded number like 512.

Sure. Will change it.

Best Regards,
Huang, Ying