All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tejun Heo <tj@kernel.org>
To: Sonic Zhang <sonic.adi@gmail.com>
Cc: graff yang <graff.yang@gmail.com>,
	dhowells@redhat.com, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org,
	uclinux-dist-devel@blackfin.uclinux.org
Subject: Re: [PATCH] mm/nommu.c:Dynamic alloc/free percpu area for nommu
Date: Fri, 09 Apr 2010 08:33:13 +0900	[thread overview]
Message-ID: <4BBE67B9.9050700@kernel.org> (raw)
In-Reply-To: <x2p4e5ebad51004080240nc3f5846am27fa259debf04302@mail.gmail.com>

Hello,

On 04/08/2010 06:40 PM, Sonic Zhang wrote:
> There is memory leak with you patch. Free memory continuously
> decreases when running test_pcpu. After about 30 minutes, kernel hangs
> in out_of_memory().
> 
> root/> while [ 1 ]; do modprobe test_pcpu; rmmod test_pcpu; cat
> proc/meminfo; done

Yeap, chunk->map wasn't freed in the original version.  In the updated
split version I posted yesterday, it's fixed.  Can you please test
that code?

Thanks.

-- 
tejun

  reply	other threads:[~2010-04-08 23:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-19  9:02 [PATCH] mm/nommu.c:Dynamic alloc/free percpu area for nommu graff.yang
2010-03-20  4:06 ` Tejun Heo
2010-03-22  2:33   ` graff yang
2010-04-01 10:20     ` Tejun Heo
2010-04-06  9:28       ` Sonic Zhang
2010-04-08  2:43         ` Tejun Heo
2010-04-08  9:40           ` Sonic Zhang
2010-04-08 23:33             ` Tejun Heo [this message]
2010-03-22  4:14   ` [Uclinux-dist-devel] [PATCH] mm/nommu.c:Dynamic alloc/freepercpu " Zhang, Sonic
2010-03-22 11:50 ` [PATCH] mm/nommu.c:Dynamic alloc/free percpu " David Howells
2010-03-23  2:33   ` graff yang

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=4BBE67B9.9050700@kernel.org \
    --to=tj@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=dhowells@redhat.com \
    --cc=graff.yang@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sonic.adi@gmail.com \
    --cc=uclinux-dist-devel@blackfin.uclinux.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.