linux-kernel - Re: [PATCH V4,0/3] mm: compaction: proactive compaction trigger by user

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Date:   Sat, 3 Jul 2021 15:52:10 +0530
From:   Charan Teja Kalla <charante@...eaurora.org>
To:     akpm@...ux-foundation.org, vbabka@...e.cz, corbet@....net,
        mcgrof@...nel.org, keescook@...omium.org, yzaikin@...gle.com,
        osalvador@...e.de, rientjes@...gle.com, mchehab+huawei@...nel.org,
        lokeshgidra@...gle.com, andrew.a.klychkov@...il.com,
        xi.fengfei@....com, nigupta@...dia.com,
        dave.hansen@...ux.intel.com, famzheng@...zon.com,
        mateusznosek0@...il.com, oleksandr@...hat.com, sh_def@....com
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        "vinmenon@...eaurora.org" <vinmenon@...eaurora.org>
Subject: Re: [PATCH V4,0/3] mm: compaction: proactive compaction trigger by
 user

A gentle ping to have your valuable comments.

Thanks,
Charan

On 6/18/2021 8:48 PM, Charan Teja Reddy wrote:
> These patches support triggering of proactive compaction by user on write
> to the /proc/sys/vm/compaction_proactiveness.
> 
> Changes in V4:
>   -- Changed the code as the 'proactive_defer' counter is removed.
>   -- No changes in the logic of triggering the proactive compaction.
>   -- Removed the 'proactive_defer' counter.
> 
> Changes in V3:
>   -- Fixed review comments from Vlastimil and others.
>   -- Fixed wake up logic when compaction_proactiveness is zero.
>   -- https://lore.kernel.org/patchwork/patch/1438211/
> 
> Changes in V2:
>   -- remove /proc/../proactive_compact_memory interface trigger for proactive compaction
>   -- Intention is same that add a way to trigger proactive compaction by user.
>   -- https://lore.kernel.org/patchwork/patch/1431283/
> 
> Changes in V1:
>   -- Created the new /proc/sys/vm/proactive_compact_memory in
>      interface to trigger proactive compaction from user 
>   -- https://lore.kernel.org/lkml/1619098678-8501-1-git-send-email-charante@codeaurora.org/
> 
> 
> Charan Teja Reddy (3):
>   mm: compaction:  optimize proactive compaction deferrals
>   mm: compaction: support triggering of proactive compaction by user
>   mm: compaction: fix wakeup logic of proactive compaction
> 
>  Documentation/admin-guide/sysctl/vm.rst |  3 +-
>  include/linux/compaction.h              |  2 ++
>  include/linux/mmzone.h                  |  1 +
>  kernel/sysctl.c                         |  2 +-
>  mm/compaction.c                         | 61 +++++++++++++++++++++++++++------
>  5 files changed, 56 insertions(+), 13 deletions(-)
> 

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