linux-kernel - Re: [PATCH v4 0/6] add mTHP support for anonymous shmem

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Date: Tue, 4 Jun 2024 16:50:04 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Baolin Wang <baolin.wang@...ux.alibaba.com>
Cc: 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, ziy@...dia.com,
 ioworker0@...il.com, da.gomez@...sung.com, p.raghav@...sung.com,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/6] add mTHP support for anonymous shmem

On Tue,  4 Jun 2024 18:17:44 +0800 Baolin Wang <baolin.wang@...ux.alibaba.com> wrote:

> base: mm-unstable
> user-time    sys_time    faults_per_sec_per_cpu     faults_per_sec
> 0.04s        3.10s         83516.416                  2669684.890
>
> ...
>
> mm-unstable + patchset, anon shmem 64K mTHP enabled
> user-time    sys_time    faults_per_sec_per_cpu     faults_per_sec
> 0.08s        0.31s         678630.231                 17082522.495
> 

Geeze, is that the best you can do ;)

It's early and there's review work to be done.  But I'll queue this up
for testing now, as it's clearly something we should finish off and
get merged.