From: Wang Sheng-Hui <shhuiw@gmail.com>
Date: Wed, 6 Aug 2014 23:07:07 +0000 (-0700)
Subject: mm: update the description for vm_total_pages
X-Git-Tag: cleanup-for-v3.18~96^2~121
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0480be44a90af81a425f426c9107fb8f0899f65;p=pandora-kernel.git

mm: update the description for vm_total_pages

vm_total_pages is calculated by nr_free_pagecache_pages(), which counts
the number of pages which are beyond the high watermark within all
zones.  So vm_total_pages is not equal to total number of pages which
the VM controls.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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