From: Daisuke Nishimura <d-nishimura@mtf.biglobe.ne.jp>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Subject: Re: [PATCH 1/2] memcg clean up try_charge main loop
Date: Thu, 3 Jun 2010 19:38:09 +0900 [thread overview]
Message-ID: <20100603193809.9d5f6314.d-nishimura@mtf.biglobe.ne.jp> (raw)
In-Reply-To: <20100603152830.8b9e5e27.kamezawa.hiroyu@jp.fujitsu.com>
One more comment.
> + ret = res_counter_charge(&mem->res, csize, &fail_res);
> +
> + if (likely(!ret)) {
> + if (!do_swap_account)
> + return CHARGE_OK;
> + ret = res_counter_charge(&mem->memsw, csize, &fail_res);
> + if (likely(!ret))
> + return CHARGE_OK;
> +
> + mem_over_limit = mem_cgroup_from_res_counter(fail_res, res);
This must be mem_cgroup_from_res_counter(fail_res, memsw).
We will access to an invalid pointer, otherwise.
> + flags |= MEM_CGROUP_RECLAIM_NOSWAP;
> + } else
> + mem_over_limit = mem_cgroup_from_res_counter(fail_res, res);
> +
Thanks,
Daisuke Nishimura.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2010-06-03 10:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-03 2:48 KAMEZAWA Hiroyuki
2010-06-03 2:51 ` [PATCH 2/2] memcg make move_task_charge check clearer KAMEZAWA Hiroyuki
2010-06-03 6:40 ` Daisuke Nishimura
2010-06-03 7:01 ` KAMEZAWA Hiroyuki
2010-06-03 6:06 ` [PATCH 1/2] memcg clean up try_charge main loop Daisuke Nishimura
2010-06-03 6:28 ` KAMEZAWA Hiroyuki
2010-06-03 10:38 ` Daisuke Nishimura [this message]
2010-06-04 0:26 ` KAMEZAWA Hiroyuki
2010-06-04 5:45 ` [PATCH 1/2] memcg clean up try_charge main loop v2 KAMEZAWA Hiroyuki
2010-06-04 5:49 ` [PATCH 2/2] memcg clean up waiting move acct v2 KAMEZAWA Hiroyuki
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=20100603193809.9d5f6314.d-nishimura@mtf.biglobe.ne.jp \
--to=d-nishimura@mtf.biglobe.ne.jp \
--cc=akpm@linux-foundation.org \
--cc=balbir@linux.vnet.ibm.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=nishimura@mxp.nes.nec.co.jp \
/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