From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: mm-commits@vger.kernel.org, minchan@kernel.org, senozhatsky@chromium.org
Subject: Re: + zram-split-memory-tracking-and-ac-time-tracking.patch added to mm-unstable branch
Date: Fri, 17 Nov 2023 10:38:01 +0900 [thread overview]
Message-ID: <20231117013801.GB1325348@google.com> (raw)
In-Reply-To: <20231115224146.450B3C433C9@smtp.kernel.org>
On (23/11/15 14:41), Andrew Morton wrote:
> ZRAM_MEMORY_TRACKING enables two features:
> - per-entry ac-time tracking
> - debugfs interface
>
> The latter one is the reason why memory-tracking depends on DEBUG_FS,
> while the former one is used far beyond debugging these days. Namely
> ac-time is used for fine-grained writeback of idle entries (pages).
>
> Move ac-time tracking under its own config option so that it can be
> enabled (along with writeback) on systems without DEBUG_FS.
>
> Link: https://lkml.kernel.org/r/20231115024223.4133148-1-senozhatsky@chromium.org
> Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
> Cc: Minchan Kim <minchan@kernel.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Andrew, I sent a small (one-liner) fixup patch [1]
[1] https://lore.kernel.org/linux-block/20231117013543.540280-1-senozhatsky@chromium.org
prev parent reply other threads:[~2023-11-17 1:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-15 22:41 + zram-split-memory-tracking-and-ac-time-tracking.patch added to mm-unstable branch Andrew Morton
2023-11-17 1:38 ` Sergey Senozhatsky [this message]
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