linux-kernel - Re: + ksm-add-vm_stat-and-meminfo-entry-to-reflect-pte-mapping-to-ksm-pages.patch added to -mm tree

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Date:	Thu, 24 Mar 2011 09:20:20 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Johannes Weiner <hannes@...xchg.org>
CC:	akpm@...ux-foundation.org, nai.xia@...il.com, aarcange@...hat.com,
	chrisw@...s-sol.org, hugh.dickins@...cali.co.uk,
	mm-commits@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: + ksm-add-vm_stat-and-meminfo-entry-to-reflect-pte-mapping-to-ksm-pages.patch
 added to -mm tree

On 03/24/2011 08:53 AM, Johannes Weiner wrote:
> On Tue, Mar 01, 2011 at 03:41:06PM -0800, akpm@...ux-foundation.org wrote:
>> diff -puN include/linux/mmzone.h~ksm-add-vm_stat-and-meminfo-entry-to-reflect-pte-mapping-to-ksm-pages include/linux/mmzone.h
>> --- a/include/linux/mmzone.h~ksm-add-vm_stat-and-meminfo-entry-to-reflect-pte-mapping-to-ksm-pages
>> +++ a/include/linux/mmzone.h
>> @@ -115,6 +115,9 @@ enum zone_stat_item {
>>   	NUMA_OTHER,		/* allocation from other node */
>>   #endif
>>   	NR_ANON_TRANSPARENT_HUGEPAGES,
>> +#ifdef CONFIG_KSM
>> +	NR_KSM_PAGES_SHARING,
>> +#endif
>>   	NR_VM_ZONE_STAT_ITEMS };
>
> This adds a zone stat item without a corresponding entry in
> vm_stat_text.  As a result, all vm event entries in /proc/vmstat show
> the value of the respective previous counter.
>
> Signed-off-by: Johannes Weiner<hannes@...xchg.org>

Acked-by: Rik van Riel <riel@...hat.com>


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