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From: Tejun Heo <tj@kernel.org>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>,
	linux-mm@kvack.org, Michal Hocko <mhocko@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Marc MERLIN <marc@merlins.org>
Subject: Re: [PATCH] block,blkcg: use __GFP_NOWARN for best-effort allocations in blkcg
Date: Tue, 22 Nov 2016 11:48:22 -0500	[thread overview]
Message-ID: <20161122164822.GA5459@htj.duckdns.org> (raw)
In-Reply-To: <7189b1f6-98c3-9a36-83c1-79f2ff4099af@suse.cz>

Hello,

On Tue, Nov 22, 2016 at 04:47:49PM +0100, Vlastimil Babka wrote:
> Thanks. Makes me wonder whether we should e.g. add __GFP_NOWARN to
> GFP_NOWAIT globally at some point.

Yeah, that makes sense.  The caller is explicitly saying that it's
okay to fail the allocation.

Thanks.

-- 
tejun

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  reply	other threads:[~2016-11-22 16:48 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-21 15:43 4.8.8 kernel trigger OOM killer repeatedly when I have lots of RAM that should be free Marc MERLIN
2016-11-21 16:30 ` Marc MERLIN
2016-11-21 21:50 ` Vlastimil Babka
2016-11-21 21:56   ` Marc MERLIN
2016-11-21 23:03     ` [PATCH] block,blkcg: use __GFP_NOWARN for best-effort allocations in blkcg Tejun Heo
2016-11-22 15:47       ` Vlastimil Babka
2016-11-22 16:48         ` Tejun Heo [this message]
2016-11-22 22:13           ` Linus Torvalds
2016-11-23  8:50             ` Vlastimil Babka
2016-11-28 17:19               ` Tejun Heo
2016-11-29  7:25                 ` Michal Hocko
2016-11-29 16:38                   ` Tejun Heo
2016-11-29 16:57                     ` Vlastimil Babka
2016-11-29 17:13                       ` Michal Hocko
2016-11-29 17:17                         ` Linus Torvalds
2016-11-29 17:28                           ` Michal Hocko
2016-11-29 17:48                             ` Linus Torvalds
2016-11-22 16:00       ` Jens Axboe
2016-11-22 16:06     ` 4.8.8 kernel trigger OOM killer repeatedly when I have lots of RAM that should be free Marc MERLIN
2016-11-22 16:14       ` Vlastimil Babka
2016-11-22 16:25         ` Michal Hocko
2016-11-22 16:47           ` Marc MERLIN
2016-11-22 16:38         ` Greg Kroah-Hartman
2016-11-29 16:25           ` Michal Hocko
2016-11-29 16:43             ` Greg Kroah-Hartman
2016-11-22 19:38         ` Linus Torvalds
2016-11-23  6:34           ` Michal Hocko
2016-11-23  6:53             ` Hillf Danton
2016-11-23  7:00               ` Michal Hocko
2016-11-23  9:18             ` Vlastimil Babka
2016-11-28  7:23             ` Michal Hocko
2016-11-28 20:55               ` Marc MERLIN
2016-11-29 15:55               ` Marc MERLIN
2016-11-29 16:07                 ` Michal Hocko
2016-11-29 16:34                   ` Marc MERLIN
2016-11-29 17:07                     ` Linus Torvalds
2016-11-29 17:40                       ` Marc MERLIN
2016-11-29 18:01                         ` Linus Torvalds
2016-11-30 17:47                           ` Marc MERLIN
2016-11-30 18:14                             ` Linus Torvalds
2016-11-30 18:21                               ` Marc MERLIN
2016-11-30 18:27                               ` Jens Axboe
2016-11-30 20:30                               ` Tejun Heo
2016-12-01 13:50                                 ` Kent Overstreet
2016-12-01 18:16                                   ` Linus Torvalds
2016-12-01 18:30                                     ` Jens Axboe
2016-12-01 18:37                                       ` Linus Torvalds
2016-12-01 18:46                                         ` Jens Axboe
2016-11-29 20:11                         ` Holger Hoffstätte
2016-11-29 23:01                         ` Marc MERLIN
2016-11-30 13:58                           ` Tetsuo Handa
2017-05-02  4:12                           ` Marc MERLIN
2017-05-02  7:44                             ` Michal Hocko
2017-05-02 14:15                               ` Marc MERLIN
2017-05-02 10:44                             ` Tetsuo Handa
2016-11-29 16:15               ` Marc MERLIN
2016-11-22 21:46         ` Simon Kirby
2016-11-28  8:06           ` Vlastimil Babka

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