linux-kernel - Re: [PATCH v5 1/6] mm: memory: extend finish

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Date: Wed, 12 Jun 2024 17:28:54 +0800
From: Baolin Wang <baolin.wang@...ux.alibaba.com>
To: Zi Yan <ziy@...dia.com>
Cc: akpm@...ux-foundation.org, hughd@...gle.com, willy@...radead.org,
 david@...hat.com, wangkefeng.wang@...wei.com, ying.huang@...el.com,
 21cnbao@...il.com, ryan.roberts@....com, shy828301@...il.com,
 ioworker0@...il.com, da.gomez@...sung.com, p.raghav@...sung.com,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/6] mm: memory: extend finish_fault() to support large
 folio



On 2024/6/11 22:38, Zi Yan wrote:
> On 11 Jun 2024, at 6:11, Baolin Wang wrote:
> 
>> Add large folio mapping establishment support for finish_fault() as a
>> preparation, to support multi-size THP allocation of anonymous shmem pages
>> in the following patches.
>>
>> Keep the same behavior (per-page fault) for non-anon shmem to avoid inflating
>> the RSS unintentionally, and we can discuss what size of mapping to build
>> when extending mTHP to control non-anon shmem in the future.
>>
>> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
>> ---
>>   mm/memory.c | 57 +++++++++++++++++++++++++++++++++++++++++++----------
>>   1 file changed, 47 insertions(+), 10 deletions(-)
>>
> LGTM. Reviewed-by: Zi Yan <ziy@...dia.com>

Thanks Zi for reviewing.