linux-kernel - Re: [PATCH] mm: remove struct reclaim

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Message-ID: <20111118095644.GJ7046@dastard>
Date:	Fri, 18 Nov 2011 20:56:44 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
Cc:	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: remove struct reclaim_state

On Fri, Nov 18, 2011 at 01:28:06PM +0300, Konstantin Khlebnikov wrote:
> Memory reclaimer want to know how much pages was reclaimed during shrinking slabs.
> Currently there is special struct reclaim_state with single counter and pointer from
> task-struct. Let's store counter direcly on task struct and account freed pages
> unconditionally. This will reduce stack usage and simplify code in reclaimer and slab.
> 
> Logic in do_try_to_free_pages() is slightly changed, but this is ok.
> Nobody calls shrink_slab() explicitly before do_try_to_free_pages(),

Except for drop_slab() and shake_page()....

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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