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Message-ID: <20131216082247.GA5334@lge.com>
Date: Mon, 16 Dec 2013 17:22:48 +0900
From: Joonsoo Kim <iamjoonsoo.kim@....com>
To: Christoph Lameter <cl@...ux.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Johannes Weiner <hannes@...xchg.org>,
Michal Hocko <mhocko@...e.cz>, azurIt <azurit@...ox.sk>,
linux-mm@...ck.org, cgroups@...r.kernel.org,
linux-kernel@...r.kernel.org,
Christian Casteyde <casteyde.christian@...e.fr>,
Pekka Enberg <penberg@...nel.org>
Subject: Re: [patch 2/2] fs: buffer: move allocation failure loop into the
allocator
On Fri, Dec 13, 2013 at 04:40:58PM +0000, Christoph Lameter wrote:
> On Fri, 13 Dec 2013, Joonsoo Kim wrote:
>
> > Could you review this patch?
> > I think that we should merge it to fix the problem reported by Christian.
>
> I'd be fine with clearing __GFP_NOFAIL but not with using the same flags
> as for a higher order alloc. __GFP_NORETRY and __GFP_NOWARN should be left
> untouched for the minimal alloc.
Hello.
So you don't want to add __GFP_NORETRY and __GFP_NOWARN for kmemcheck?
I think that it isn't good idea, since users would meet *unexpected*
allocation failure if they enable kmemcheck and slub uses different flags
for kmemcheck. It makes users who want to debug their own problems embarrass.
Thanks.
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