From: Jens Axboe <jens.axboe@oracle.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kosaki.motohiro@jp.fujitsu.com, sfr@canb.auug.org.au,
linux-next@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [bug?] bio: add experimental support for inlining a number of bio_vecs inside the bio
Date: Thu, 11 Dec 2008 08:32:28 +0100 [thread overview]
Message-ID: <20081211073226.GW23742@kernel.dk> (raw)
In-Reply-To: <20081210131311.e03d6fc5.akpm@linux-foundation.org>
On Wed, Dec 10 2008, Andrew Morton wrote:
> On Wed, 10 Dec 2008 13:12:38 +0100
> Jens Axboe <jens.axboe@oracle.com> wrote:
>
> > > experimental??
> >
> > Experimental in the sense that it's the first version, not the concept.
> > It's held up well for me, but just yesterday I received the first bug
> > report on a ppc platform and now you have this on ia64.
>
>
> Well there's another bug report up-list. "next-20081209: pdflush: page
> allocation failure (xfs)".
>
> The clearing of (__GFP_WAIT | __GFP_IO) will call the page allocator in the
> weakest possible mode and will of course spew page allocations warnings
> with great frequency. It should at least add in __GFP_NOWARN.
OK, that must be for the change titled
"bio: only mempool back the largest bio_vec slab cache"
and yes, that does look like it wants a bit more gfp loving, probably
the same as mempool_alloc() would use anyway. I'll get that fixed.
--
Jens Axboe
next prev parent reply other threads:[~2008-12-11 7:32 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-10 5:46 linux-next: Tree for December 10 Stephen Rothwell
2008-12-10 9:36 ` KOSAKI Motohiro
2008-12-10 12:05 ` [bug?] bio: add experimental support for inlining a number of bio_vecs inside the bio KOSAKI Motohiro
2008-12-10 12:12 ` Jens Axboe
2008-12-10 21:13 ` Andrew Morton
2008-12-11 7:32 ` Jens Axboe [this message]
2008-12-11 0:39 ` KOSAKI Motohiro
2008-12-10 9:39 ` linux-next: Tree for December 10 KOSAKI Motohiro
2008-12-10 11:21 ` KOSAKI Motohiro
2008-12-10 11:17 ` [BUILD-FAILURE] linux-next: next-20081210 - s390x - lcs drivers breaks with !CONFIG_IP_MULTICAST Kamalesh Babulal
2008-12-10 12:08 ` Heiko Carstens
2008-12-10 16:31 ` Kamalesh Babulal
2008-12-10 22:52 ` linux-next: Tree for December 10 Andrew Morton
2008-12-10 23:53 ` Rafael J. Wysocki
2008-12-11 0:38 ` Andrew Morton
2008-12-11 1:15 ` mpt fusion device warning 5 times KOSAKI Motohiro
2008-12-11 1:58 ` [PATCH] cpumask:cpumask_of_node-ia64 fix KOSAKI Motohiro
2008-12-11 1:58 ` [linux-next][PATCH] " KOSAKI Motohiro
2008-12-11 4:09 ` KOSAKI Motohiro
2008-12-11 4:09 ` KOSAKI Motohiro
2008-12-11 4:15 ` [PATCH] " Mike Travis
2008-12-11 4:15 ` [linux-next][PATCH] " Mike Travis
2008-12-11 4:31 ` [PATCH] " Mike Travis
2008-12-11 4:31 ` [linux-next][PATCH] " Mike Travis
2008-12-11 4:53 ` [PATCH] " KOSAKI Motohiro
2008-12-11 4:53 ` [linux-next][PATCH] " KOSAKI Motohiro
2008-12-12 8:11 ` [PATCH] " Rusty Russell
2008-12-12 8:11 ` [linux-next][PATCH] " Rusty Russell
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