From: Andrew Morton <akpm@linux-foundation.org>
To: "Zdenek Kabelac" <zdenek.kabelac@gmail.com>
Cc: johannes@sipsolutions.net, tomasw@gmail.com, riel@redhat.com,
linux-kernel@vger.kernel.org, yi.zhu@intel.com,
reinette.chatre@intel.com, linux-wireless@vger.kernel.org
Subject: Re: Problem: Out of memory after 2days with 2GB RAM
Date: Thu, 12 Jun 2008 17:43:57 -0700 [thread overview]
Message-ID: <20080612174357.ed9dc10a.akpm@linux-foundation.org> (raw)
In-Reply-To: <c4e36d110806121311n64890e17h67f49c32481fbb28@mail.gmail.com>
On Thu, 12 Jun 2008 22:11:32 +0200
"Zdenek Kabelac" <zdenek.kabelac@gmail.com> wrote:
> Well - it's great that there will be saved few kB in allocation of
> never used pointers in iwl driver - but does this really solve the
> problem that kernel gets relatively quickly out of memory for
> allocations of this size - I guess iwl isn't the only driver
> requesting 32 sequential pages.
I hope it is the only one. Doing a 128kb GFP_ATOMIC allocation is
hopelessly unreliable. Even a 128k GFP_KERNEL allocation will fail all
over the place.
Please convert the driver to allocate no more than 4k at a time.
next prev parent reply other threads:[~2008-06-13 0:45 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-12 10:07 Problem: Out of memory after 2days with 2GB RAM Zdenek Kabelac
2008-06-12 13:38 ` Rik van Riel
2008-06-12 13:54 ` Johannes Berg
2008-06-12 14:12 ` Zdenek Kabelac
2008-06-12 14:19 ` Johannes Berg
2008-06-12 16:38 ` Tomas Winkler
2008-06-12 15:43 ` Tomas Winkler
2008-06-12 16:35 ` Tomas Winkler
2008-06-12 17:05 ` Johannes Berg
2008-06-12 17:39 ` Tomas Winkler
2008-06-12 17:46 ` Johannes Berg
2008-06-12 18:03 ` Tomas Winkler
2008-06-12 18:15 ` Johannes Berg
2008-06-12 20:11 ` Zdenek Kabelac
2008-06-12 22:17 ` Tomas Winkler
2008-06-13 0:43 ` Andrew Morton [this message]
2008-06-12 18:41 ` John W. Linville
2008-06-12 17:03 ` Johannes Berg
2008-06-12 17:35 ` Tomas Winkler
2008-06-12 17:39 ` Johannes Berg
2008-06-12 17:50 ` Tomas Winkler
2008-06-12 17:10 ` Rik van Riel
2008-06-12 21:30 ` Jiri Slaby
2008-06-12 22:26 ` Tomas Winkler
2008-06-13 14:08 ` Rafael J. Wysocki
2008-06-13 14:15 ` Zdenek Kabelac
2008-06-30 11:30 ` Zdenek Kabelac
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