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Date:	Fri, 14 Feb 2014 09:15:45 -0500
From:	Rik van Riel <>
To:	Weijie Yang <>,
	"'Mel Gorman'" <>
CC:	"'Andrew Morton'" <>,
	"'Minchan Kim'" <>,,
	"'Linux-MM'" <>,
	"'linux-kernel'" <>
Subject: Re: [PATCH V2 1/2] mm/vmscan: restore sc->gfp_mask after promoting
 it to __GFP_HIGHMEM

On 02/14/2014 01:41 AM, Weijie Yang wrote:
> We promote sc->gfp_mask to __GFP_HIGHMEM to forcibly scan highmem if
> there are too many buffer_heads pinning highmem. see: cc715d99e5
> This patch restores sc->gfp_mask to its caller original value after
> finishing the scan job, to avoid the impact on other invocations from
> its upper caller, such as vmpressure_prio(), shrink_slab().
> Signed-off-by: Weijie Yang <>

Acked-by: Rik van Riel <>

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