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Reply-To: "Hillf Danton" <hillf.zj@alibaba-inc.com>
From: "Hillf Danton" <hillf.zj@alibaba-inc.com>
To: "'Vlastimil Babka'" <vbabka@suse.cz>,
        "'Andrew Morton'" <akpm@linux-foundation.org>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
        "'Linus Torvalds'" <torvalds@linux-foundation.org>,
        "'Arkadiusz Miskiewicz'" <a.miskiewicz@gmail.com>,
        "'Ralf-Peter Rohbeck'" <Ralf-Peter.Rohbeck@quantum.com>,
        "'Olaf Hering'" <olaf@aepfle.de>,
        "'Mel Gorman'" <mgorman@techsingularity.net>,
        "'Joonsoo Kim'" <iamjoonsoo.kim@lge.com>,
        "'David Rientjes'" <rientjes@google.com>,
        "'Rik van Riel'" <riel@redhat.com>,
        "'Michal Hocko'" <mhocko@kernel.org>,
        "'Michal Hocko'" <mhocko@suse.com>
References: <20160926162025.21555-1-vbabka@suse.cz> <20160926162025.21555-2-vbabka@suse.cz>
In-Reply-To: <20160926162025.21555-2-vbabka@suse.cz>
Subject: Re: [PATCH 1/4] mm, compaction: more reliably increase direct compaction priority-fix
Date: Tue, 27 Sep 2016 11:25:46 +0800
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On Tuesday, September 27, 2016 12:20 AM Vlastimil Babka wrote 
> 
> When increasing the compaction priority, also reset retries. Otherwise we can
> consume all retries on the lower priorities. Also pull the retries increment
> into should_compact_retry() so it counts only the rounds where we actually
> rely on it.
> 
> Suggested-by: Michal Hocko <mhocko@suse.com>
> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
> Acked-by: Michal Hocko <mhocko@suse.com>
> Cc: Mel Gorman <mgorman@techsingularity.net>
> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
> Cc: David Rientjes <rientjes@google.com>
> Cc: Rik van Riel <riel@redhat.com>
> ---
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>