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Date: Thu, 29 Dec 2016 16:00:33 +0800 From: "Hillf Danton" <hillf.zj@...baba-inc.com> To: "'Michal Hocko'" <mhocko@...nel.org>, <linux-mm@...ck.org> Cc: "'Andrew Morton'" <akpm@...ux-foundation.org>, "'Mel Gorman'" <mgorman@...e.de>, "'Johannes Weiner'" <hannes@...xchg.org>, "'Vlastimil Babka'" <vbabka@...e.cz>, "'Rik van Riel'" <riel@...hat.com>, "'LKML'" <linux-kernel@...r.kernel.org>, "'Michal Hocko'" <mhocko@...e.com> Subject: Re: [PATCH 5/7] mm, vmscan: extract shrink_page_list reclaim counters into a struct On Wednesday, December 28, 2016 11:31 PM Michal Hocko wrote: > From: Michal Hocko <mhocko@...e.com> > > shrink_page_list returns quite some counters back to its caller. Extract > the existing 5 into struct reclaim_stat because this makes the code > easier to follow and also allows further counters to be returned. > > While we are at it, make all of them unsigned rather than unsigned long > as we do not really need full 64b for them (we never scan more than > SWAP_CLUSTER_MAX pages at once). This should reduce some stack space. > > This patch shouldn't introduce any functional change. > > Signed-off-by: Michal Hocko <mhocko@...e.com> > --- Acked-by: Hillf Danton <hillf.zj@...baba-inc.com>
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