linux-kernel - Re: [PATCH] block,blkcg: use __GFP_NOWARN for best-effort allocations in blkcg

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Message-ID: <20161122164822.GA5459@htj.duckdns.org>
Date:   Tue, 22 Nov 2016 11:48:22 -0500
From:   Tejun Heo <tj@...nel.org>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Jens Axboe <axboe@...nel.dk>, linux-mm@...ck.org,
        Michal Hocko <mhocko@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Marc MERLIN <marc@...lins.org>
Subject: Re: [PATCH] block,blkcg: use __GFP_NOWARN for best-effort
 allocations in blkcg

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