From: Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
To: Yosry Ahmed <yosryahmed-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: "Johannes Weiner"
<hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
"Michal Hocko" <mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"Andrew Morton"
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
"Roman Gushchin"
<roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>,
"David Rientjes"
<rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
"Tejun Heo" <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"Zefan Li" <lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>,
"Jonathan Corbet" <corbet-T1hC0tSOHrs@public.gmane.org>,
"Shuah Khan" <shuah-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"Yu Zhao" <yuzhao-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
"Dave Hansen"
<dave.hansen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
"Wei Xu" <weixugc-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
"Greg Thelen" <gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
"Chen Wandun"
<chenwandun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
"Vaibhav Jain" <vaibhav-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>,
"Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>,
"Tim Chen" <tim.c.chen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
"Dan Schatzberg"
<schatzberg.dan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs0@public.gmane.org
Subject: Re: [PATCH v4 3/4] selftests: cgroup: fix alloc_anon_noexit() instantly freeing memory
Date: Sat, 23 Apr 2022 14:03:12 +0000 [thread overview]
Message-ID: <20220423140312.fxsxjwcebvor2x5l@google.com> (raw)
In-Reply-To: <20220421234426.3494842-4-yosryahmed-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
On Thu, Apr 21, 2022 at 11:44:25PM +0000, Yosry Ahmed wrote:
> Currently, alloc_anon_noexit() calls alloc_anon() which instantly frees
> the allocated memory. alloc_anon_noexit() is usually used with
> cg_run_nowait() to run a process in the background that allocates
> memory. It makes sense for the background process to keep the memory
> allocated and not instantly free it (otherwise there is no point of
> running it in the background).
>
> Signed-off-by: Yosry Ahmed <yosryahmed-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
> Acked-by: Roman Gushchin <roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>
Acked-by: Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
next prev parent reply other threads:[~2022-04-23 14:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-21 23:44 [PATCH v4 0/4] memcg: introduce per-memcg proactive reclaim Yosry Ahmed
2022-04-21 23:44 ` [PATCH v4 2/4] selftests: cgroup: return -errno from cg_read()/cg_write() on failure Yosry Ahmed
2022-04-23 14:01 ` Shakeel Butt
[not found] ` <20220421234426.3494842-1-yosryahmed-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-04-21 23:44 ` [PATCH v4 1/4] memcg: introduce per-memcg reclaim interface Yosry Ahmed
2022-04-23 13:30 ` Shakeel Butt
2022-04-23 21:44 ` Yosry Ahmed
2022-04-21 23:44 ` [PATCH v4 3/4] selftests: cgroup: fix alloc_anon_noexit() instantly freeing memory Yosry Ahmed
[not found] ` <20220421234426.3494842-4-yosryahmed-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-04-23 14:03 ` Shakeel Butt [this message]
2022-04-21 23:44 ` [PATCH v4 4/4] selftests: cgroup: add a selftest for memory.reclaim Yosry Ahmed
2022-04-23 14:28 ` Shakeel Butt
2022-04-23 21:43 ` Yosry Ahmed
2022-04-25 15:16 ` Shakeel Butt
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=20220423140312.fxsxjwcebvor2x5l@google.com \
--to=shakeelb-hpiqsd4aklfqt0dzr+alfa@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=chenwandun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org \
--cc=corbet-T1hC0tSOHrs@public.gmane.org \
--cc=dave.hansen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org \
--cc=gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org \
--cc=linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-mm-Bw31MaZKKs0@public.gmane.org \
--cc=lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org \
--cc=mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=mkoutny-IBi9RG/b67k@public.gmane.org \
--cc=rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org \
--cc=schatzberg.dan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=shuah-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=tim.c.chen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org \
--cc=tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=vaibhav-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org \
--cc=weixugc-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=yosryahmed-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=yuzhao-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox