From: Pavel Machek <pavel@ucw.cz>
To: David Rientjes <rientjes@google.com>
Cc: sgruszka@redhat.com, linux-wireless@vger.kernel.org,
johannes.berg@intel.com, wey-yi.w.guy@intel.com,
ilw@linux.intel.com, Andrew Morton <akpm@osdl.org>,
Mel Gorman <mgorman@suse.de>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: iwl3945: order 5 allocation during ifconfig up; vm problem?
Date: Mon, 10 Sep 2012 13:11:13 +0200 [thread overview]
Message-ID: <20120910111113.GA25159@elf.ucw.cz> (raw)
In-Reply-To: <alpine.DEB.2.00.1209091539530.16930@chino.kir.corp.google.com>
On Sun 2012-09-09 15:40:55, David Rientjes wrote:
> On Sun, 9 Sep 2012, Pavel Machek wrote:
>
> > On 3.6.0-rc2+, I tried to turn on the wireless, but got
> >
> > root@amd:~# ifconfig wlan0 10.0.0.6 up
> > SIOCSIFFLAGS: Cannot allocate memory
> > SIOCSIFFLAGS: Cannot allocate memory
> > root@amd:~#
> >
> > It looks like it uses "a bit too big" allocations to allocate
> > firmware...? Order five allocation....
> >
> > Hmm... then I did "echo 3 > /proc/sys/vm/drop_caches" and now the
> > network works. Is it VM problem that it failed to allocate memory when
> > it was freeable?
> >
>
> Do you have CONFIG_COMPACTION enabled?
Yes:
pavel@amd:/data/l/linux-good$ zgrep CONFIG_COMPACTION /proc/config.gz
CONFIG_COMPACTION=y
Pavel
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next prev parent reply other threads:[~2012-09-10 11:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-09 21:32 Pavel Machek
2012-09-09 22:40 ` David Rientjes
2012-09-10 11:11 ` Pavel Machek [this message]
2012-09-11 23:25 ` Andrew Morton
2012-09-12 5:16 ` Eric Dumazet
2012-09-12 5:57 ` Marc MERLIN
2012-09-12 6:54 ` Johannes Berg
2012-09-24 9:03 ` Dan Carpenter
2012-09-24 9:14 ` Johannes Berg
2012-09-12 9:22 ` Stanislaw Gruszka
2012-09-12 10:18 ` Mel Gorman
2012-10-03 11:37 ` Stanislaw Gruszka
2012-10-03 18:07 ` David Rientjes
2012-10-05 8:37 ` Stanislaw Gruszka
2012-10-06 12:08 ` Pavel Machek
2012-10-08 15:38 ` Stanislaw Gruszka
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