linux-ext4 - Re: [patch 4/6] jbd: remove dependency on __GFP

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Message-Id: <20100823151129.433875d9.akpm@linux-foundation.org>
Date:	Mon, 23 Aug 2010 15:11:29 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jan Kara <jack@...e.cz>
Cc:	David Rientjes <rientjes@...gle.com>, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 4/6] jbd: remove dependency on __GFP_NOFAIL

On Tue, 24 Aug 2010 00:03:47 +0200
Jan Kara <jack@...e.cz> wrote:

> So do
> you think that we should keep __GFP_NOFAIL as long as all callers are not
> able to handle allocation failures in more reasonable way?

The concept should be encapsulated in _some_ centralised fashion.

Helper functions would work as well as __GFP_NOFAIL, and will move any
runtime cost away from the good code and push it onto the bad code.

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