From: David Miller <davem@davemloft.net>
To: kosaki.motohiro@jp.fujitsu.com
Cc: akpm@linux-foundation.org, csnook@redhat.com,
davej@codemonkey.org.uk, nickpiggin@yahoo.com.au,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
mchan@broadcom.com
Subject: Re: GFP_ATOMIC page allocation failures.
Date: Wed, 02 Apr 2008 11:44:41 -0700 (PDT) [thread overview]
Message-ID: <20080402.114441.78726196.davem@davemloft.net> (raw)
In-Reply-To: <20080402195428.95A3.KOSAKI.MOTOHIRO@jp.fujitsu.com>
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Wed, 02 Apr 2008 19:56:05 +0900
>
> > ---------------------------------------------------------------------
> > We get rather a lot of reports of page allocation warnings coming out of
> > tg3. But this driver is know to handle them properly so let's suppress
> > them.
>
> BTW:
> other person's tg3 allocation failure bug report.
>
> http://bugzilla.kernel.org/show_bug.cgi?id=9771
Yes, I know about it. It will occur for any device
which must use linear RX buffers and supports
>PAGE_SIZE MTUs.
But modern chips are going to support segmentation of
receive packets into multiple individual pages and
therefore not have this order>0 page allocation
requirement.
That is my point.
next prev parent reply other threads:[~2008-04-02 18:44 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080401235609.GA6947@codemonkey.org.uk>
[not found] ` <200804021228.16875.nickpiggin@yahoo.com.au>
[not found] ` <47F32789.2070703@redhat.com>
[not found] ` <20080402005646.f8df1c1b.akpm@linux-foundation.org>
2008-04-02 8:17 ` GFP_ATOMIC page allocation failures KOSAKI Motohiro
2008-04-02 8:24 ` David Miller
2008-04-02 8:43 ` Andrew Morton
2008-04-02 10:00 ` KOSAKI Motohiro
2008-04-02 10:56 ` KOSAKI Motohiro
2008-04-02 18:44 ` David Miller [this message]
2008-04-02 20:12 ` Michael Chan
2008-04-02 20:53 ` David Miller
2008-04-02 11:04 ` Peter Zijlstra
2008-04-02 18:45 ` David Miller
2008-04-02 19:06 ` Jeff Garzik
[not found] ` <200804022012.58760.nickpiggin@yahoo.com.au>
2008-04-02 15:54 ` Andrew Morton
2008-04-03 5:22 ` Nick Piggin
2008-04-03 5:32 ` Andrew Morton
2008-04-03 8:59 ` Evgeniy Polyakov
2008-06-26 21:06 ` Dave Jones
2008-06-26 22:26 ` Chris Snook
2008-06-27 10:01 ` Evgeniy Polyakov
2008-04-02 17:21 ` Jeff Garzik
2008-04-02 17:33 ` Andrew Morton
2008-04-02 18:18 ` Jeff Garzik
2008-04-02 18:37 ` Kok, Auke
2008-04-03 5:57 ` Nick Piggin
2008-04-03 18:20 ` Jeff Garzik
[not found] <adYyJ-20N-11@gated-at.bofh.it>
[not found] ` <aef6w-6rx-45@gated-at.bofh.it>
[not found] ` <aefJ9-7KR-15@gated-at.bofh.it>
[not found] ` <aeqF6-45P-29@gated-at.bofh.it>
2008-04-04 9:52 ` Bodo Eggert
2008-04-04 10:59 ` Nick Piggin
2008-04-04 11:35 ` Bodo Eggert
2008-04-05 1:06 ` Nick Piggin
2008-04-06 12:12 ` Bodo Eggert
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