linux-kernel - Re: [patch 1/5] mm: add nofail variants of kmalloc kcalloc and kzalloc

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Message-ID: <alpine.DEB.2.00.1008241307190.21242@chino.kir.corp.google.com>
Date:	Tue, 24 Aug 2010 13:08:28 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Neil Brown <neilb@...e.de>, Alasdair G Kergon <agk@...hat.com>,
	Chris Mason <chris.mason@...cle.com>,
	Steven Whitehouse <swhiteho@...hat.com>,
	Jens Axboe <jaxboe@...ionio.com>, Jan Kara <jack@...e.cz>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-raid@...r.kernel.org, linux-btrfs@...r.kernel.org,
	cluster-devel@...hat.com, linux-ext4@...r.kernel.org,
	reiserfs-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 1/5] mm: add nofail variants of kmalloc kcalloc and
 kzalloc

On Tue, 24 Aug 2010, Peter Zijlstra wrote:

> > These were added as helper functions for documentation and auditability.
> > No future callers should be added.
> 
> git grep GFP_NOFAIL isn't auditable enough?
> 

I'm trying to remove that bit, and __GFP_REPEAT, to simplify and remove 
several branches from the page allocator.

> might as well declare these functions depricated if you really want to
> do this.
> 
> FWIW I think mason said he'd fix btrfs to not suck like this 'soon'.
> 

Great!
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