linux-kernel - Re: [PATCH] kmemleak: Reduce verbosity when memory allocation fails

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Message-ID: <alpine.DEB.2.00.1101111332330.7551@chino.kir.corp.google.com>
Date:	Tue, 11 Jan 2011 13:34:29 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Catalin Marinas <catalin.marinas@....com>
cc:	linux-kernel@...r.kernel.org,
	Toralf Förster <toralf.foerster@....de>,
	Pekka Enberg <penberg@...helsinki.fi>,
	"Ted Ts'o" <tytso@....edu>
Subject: Re: [PATCH] kmemleak: Reduce verbosity when memory allocation
 fails

On Tue, 11 Jan 2011, Catalin Marinas wrote:

> kmemleak: Allow kmemleak metadata allocations to fail
> 
> From: Catalin Marinas <catalin.marinas@....com>
> 
> This patch adds __GFP_NORETRY and __GFP_NOMEMALLOC flags to the kmemleak
> metadata allocations so that it has a smaller effect on the users of the
> kernel slab allocator. Since kmemleak allocations can now fail more
> often, this patch also reduces the verbosity by passing __GFP_NOWARN and
> not dumping the stack trace when a kmemleak allocation fails.
> 
> Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> Reported-by: Toralf Förster <toralf.foerster@....de>
> Cc: Pekka Enberg <penberg@...helsinki.fi>
> Cc: David Rientjes <rientjes@...gle.com>
> Cc: Ted Ts'o <tytso@....edu>

Acked-by: David Rientjes <rientjes@...gle.com>