Re: [PATCH v2 3/5] mm/vmstat: add zone range overlapping check

From	Vlastimil Babka <vbabka@suse.cz>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 3/5] mm/vmstat: add zone range overlapping check
Date	2016-04-01 10:20 +0200
Message-ID	<rj2tc-1yL-9@gated-at.bofh.it> (permalink)
References	<riWH8-5RD-3@gated-at.bofh.it> <riWH9-5RD-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 1.4.2016 4:06, js1304@gmail.com wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
> 
> There is a system that node's pfn are overlapped like as following.
> 
> -----pfn-------->
> N0 N1 N2 N0 N1 N2
> 
> Therefore, we need to care this overlapping when iterating pfn range.
> 
> There are two places in vmstat.c that iterates pfn range and
> they don't consider this overlapping. Add it.
> 
> Without this patch, above system could over count pageblock number
> on a zone.
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>

Acked-by: Vlastimil Babka <vbabka@suse.cz>

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[PATCH v2 3/5] mm/vmstat: add zone range overlapping check js1304@gmail.com - 2016-04-01 04:10 +0200
  Re: [PATCH v2 3/5] mm/vmstat: add zone range overlapping check Vlastimil Babka <vbabka@suse.cz> - 2016-04-01 10:20 +0200

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