From: Vlastimil Babka <vbabka@suse.cz>
To: js1304@gmail.com, Andrew Morton <akpm@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Mel Gorman <mgorman@suse.de>,
Laura Abbott <lauraa@codeaurora.org>,
Minchan Kim <minchan@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Michal Nazarewicz <mina86@mina86.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [PATCH v2 3/5] mm/vmstat: add zone range overlapping check
Date: Fri, 1 Apr 2016 10:19:11 +0200 [thread overview]
Message-ID: <56FE2EFF.3070509@suse.cz> (raw)
In-Reply-To: <1459476406-28418-4-git-send-email-iamjoonsoo.kim@lge.com>
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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WARNING: multiple messages have this Message-ID (diff)
From: Vlastimil Babka <vbabka@suse.cz>
To: js1304@gmail.com, Andrew Morton <akpm@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Mel Gorman <mgorman@suse.de>,
Laura Abbott <lauraa@codeaurora.org>,
Minchan Kim <minchan@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Michal Nazarewicz <mina86@mina86.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [PATCH v2 3/5] mm/vmstat: add zone range overlapping check
Date: Fri, 1 Apr 2016 10:19:11 +0200 [thread overview]
Message-ID: <56FE2EFF.3070509@suse.cz> (raw)
In-Reply-To: <1459476406-28418-4-git-send-email-iamjoonsoo.kim@lge.com>
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>
next prev parent reply other threads:[~2016-04-01 8:19 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-01 2:06 [PATCH v2 0/5] Add zone overlapping check js1304
2016-04-01 2:06 ` js1304
2016-04-01 2:06 ` [PATCH v2 1/5] mm/hugetlb: add same zone check in pfn_range_valid_gigantic() js1304
2016-04-01 2:06 ` js1304
2016-04-01 2:06 ` [PATCH v2 2/5] mm/memory_hotplug: add comment to some functions related to memory hotplug js1304
2016-04-01 2:06 ` js1304
2016-04-01 2:06 ` [PATCH v2 3/5] mm/vmstat: add zone range overlapping check js1304
2016-04-01 2:06 ` js1304
2016-04-01 8:19 ` Vlastimil Babka [this message]
2016-04-01 8:19 ` Vlastimil Babka
2016-04-01 2:06 ` [PATCH v2 4/5] mm/page_owner: " js1304
2016-04-01 2:06 ` js1304
2016-04-01 8:19 ` Vlastimil Babka
2016-04-01 8:19 ` Vlastimil Babka
2016-04-01 2:06 ` [PATCH v2 5/5] power: " js1304
2016-04-01 2:06 ` js1304
2016-04-01 8:19 ` Vlastimil Babka
2016-04-01 8:19 ` Vlastimil Babka
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