Linux-mm Archive on lore.kernel.org
 help / color / Atom feed
From: Chris Down <chris@chrisdown.name>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	kernel-team@fb.com
Subject: Re: [PATCH] kernel: sysctl: make drop_caches write-only
Date: Fri, 1 Nov 2019 10:58:58 +0000
Message-ID: <20191101105858.GA690103@chrisdown.name> (raw)
In-Reply-To: <20191031221602.9375-1-hannes@cmpxchg.org>

Johannes Weiner writes:
>Currently, the drop_caches proc file and sysctl read back the last
>value written, suggesting this is somehow a stateful setting instead
>of a one-time command. Make it write-only, like e.g. compact_memory.
>
>Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Since we already have the kmsg notifier when it's used, this seems reasonable 
to me.

Acked-by: Chris Down <chris@chrisdown.name>


  parent reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-31 22:16 Johannes Weiner
2019-10-31 23:28 ` Andrew Morton
2019-11-01 11:09   ` Chris Down
2019-11-01 11:09     ` Chris Down
2019-11-01 14:45     ` Johannes Weiner
2019-11-01 18:59       ` Andrew Morton
2019-11-01 19:24         ` Chris Down
2019-11-01 19:29           ` Andrew Morton
2019-11-01 19:35             ` Andrew Morton
2019-11-02 15:55               ` Alexey Dobriyan
2019-11-03 19:00                 ` Eric W. Biederman
2019-11-01 10:58 ` Chris Down [this message]
2019-11-04 10:37 ` David Hildenbrand
2019-11-04 13:25 ` Vlastimil Babka
2019-11-05  6:20 ` Michal Hocko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191101105858.GA690103@chrisdown.name \
    --to=chris@chrisdown.name \
    --cc=akpm@linux-foundation.org \
    --cc=hannes@cmpxchg.org \
    --cc=kernel-team@fb.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-mm Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-mm/0 linux-mm/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-mm linux-mm/ https://lore.kernel.org/linux-mm \
		linux-mm@kvack.org
	public-inbox-index linux-mm

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kvack.linux-mm


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git