Re: [PATCH V2 1/2] mm/vmscan: restore sc->gfp_mask after promoting it to __GFP_HIGHMEM

[Mel Gorman]

On Fri, Feb 14, 2014 at 02:41:33PM +0800, 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 <weijie.yang@xxxxxxxxxxx>

Acked-by: Mel Gorman <mgorman@xxxxxxx>

-- 
Mel Gorman
SUSE Labs
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