From: Martin Hicks <mort@sgi.com>
Date: Sat, 16 Apr 2005 22:24:08 +0000 (-0700)
Subject: [PATCH] meminfo: add Cached underflow check
X-Git-Tag: v2.6.12-rc3~226
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c4c402d6caba5d938ffbbb49961659ecac709d4;p=pandora-kernel.git

[PATCH] meminfo: add Cached underflow check

Working on some code lately I've been getting huge values for "Cached".
The cause is that get_page_cache_size() is an approximate value, and for a
sufficiently small returned value of get_page_cache_size() the value
underflows.

Signed-off-by:  Martin Hicks <mort@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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