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Date:	Thu, 22 May 2014 11:52:46 -0400
From:	Rik van Riel <>
To:	Mel Gorman <>,
	Andrew Morton <>
CC:	Johannes Weiner <>,
	Hugh Dickins <>,
	Tim Chen <>,
	Dave Chinner <>,
	Yuanhan Liu <>,
	Bob Liu <>, Jan Kara <>,
	Linux Kernel <>,
	Linux-MM <>,
	Linux-FSDevel <>
Subject: Re: [PATCH 1/3] fs/superblock: Unregister sb shrinker before ->kill_sb()

On 05/22/2014 05:09 AM, Mel Gorman wrote:
> From: Dave Chinner <>
> We will like to unregister the sb shrinker before ->kill_sb().
> This will allow cached objects to be counted without call to
> grab_super_passive() to update ref count on sb. We want
> to avoid locking during memory reclamation especially when
> we are skipping the memory reclaim when we are out of
> cached objects.

> Signed-off-by: Tim Chen <>
> Signed-off-by: Mel Gorman <>

Acked-by: Rik van Riel <>

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