From: Matt Mackall <mpm@selenic.com>
Date: Tue, 5 Feb 2008 06:29:05 +0000 (-0800)
Subject: maps4: add /proc/kpagecount interface
X-Git-Tag: v2.6.25-rc1~949
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=161f47bf41c5ece90ac53cbb6a4cb9bf74ce0ef6;p=pandora-kernel.git

maps4: add /proc/kpagecount interface

This makes physical page map counts available to userspace. Together
with /proc/pid/pagemap and /proc/pid/clear_refs, this can be used to
monitor memory usage on a per-page basis.

[akpm@linux-foundation.org: remove unneeded access_ok()]
[bunk@stusta.de: make struct proc_kpagemap static]
Signed-off-by: Matt Mackall <mpm@selenic.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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