From: Andrew Morton <akpm@osdl.org>
To: Kurt Garloff <garloff@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] bio_uncopy_user mem leak
Date: Tue, 17 Aug 2004 15:50:04 -0700 [thread overview]
Message-ID: <20040817155004.70ac4d9e.akpm@osdl.org> (raw)
In-Reply-To: <20040817155918.GA5312@tpkurt.garloff.de>
Kurt Garloff <garloff@suse.de> wrote:
>
> When using bounce buffers for SG_IO commands with unaligned
> buffers in blk_rq_map_user(), we should free the pages from
> blk_rq_unmap_user() which calls bio_uncopy_user() for the
> non-BIO_USER_MAPPED case. That function failed to free the
> pages for write requests.
>
> So we leaked pages and you machine would go OOM. Rebooting
> helped ;-)
Eureka. Thanks.
This really should trigger a 2.6.8.2. We'll see.
next prev parent reply other threads:[~2004-08-17 22:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-17 15:59 Kurt Garloff
2004-08-17 21:08 ` Gene Heskett
2004-08-17 22:50 ` Andrew Morton [this message]
2004-08-19 7:16 ` Colin Leroy
2004-08-19 9:59 Greg Afinogenov
2004-08-19 11:07 ` Con Kolivas
2004-08-19 13:51 ` Chris Mason
2004-08-19 19:55 ` Kurt Garloff
2004-08-20 3:19 ` Con Kolivas
2004-08-20 6:31 ` Andrew Morton
2004-08-20 12:54 ` Kurt Garloff
2004-08-20 20:28 ` sandr8
2004-08-20 7:15 ` Greg Afinogenov
2004-08-20 12:46 ` Kurt Garloff
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