linux-kernel - Re: [PATCH 24/31] mm, vmscan: Avoid passing in classzone_idx unnecessarily to compaction

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Message-ID: <00ea01d1d68c$43d25b80$cb771280$@alibaba-inc.com>
Date:	Tue, 05 Jul 2016 15:10:08 +0800
From:	"Hillf Danton" <hillf.zj@...baba-inc.com>
To:	"Mel Gorman" <mgorman@...hsingularity.net>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	<linux-mm@...ck.org>, "Andrew Morton" <akpm@...ux-foundation.org>
Subject: Re: [PATCH 24/31] mm, vmscan: Avoid passing in classzone_idx unnecessarily to compaction_ready

> 
> The scan_control structure has enough information available for
> compaction_ready() to make a decision. The classzone_idx manipulations in
> shrink_zones() are no longer necessary as the highest populated zone is
> no longer used to determine if shrink_slab should be called or not.
> 
> Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
> ---
Acked-by: Hillf Danton <hillf.zj@...baba-inc.com>

>  mm/vmscan.c | 28 ++++++++--------------------
>  1 file changed, 8 insertions(+), 20 deletions(-)
>