From: Chen Gong <gong.chen@linux.intel.com>
Date: Tue, 22 Mar 2011 23:35:03 +0000 (-0700)
Subject: Documentation/vm/page-types.c: auto debugfs mount for hwpoison operation
X-Git-Tag: v2.6.39-rc1~212
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12da58b0c89e27617aaedde7dcf99a8690875e91;p=pandora-kernel.git

Documentation/vm/page-types.c: auto debugfs mount for hwpoison operation

page-types.c doesn't supply a way to specify the debugfs path and the
original debugfs path is not usual on most machines.  This patch supplies
a way to auto mount debugfs if needed.

This patch is heavily inspired by tools/perf/utils/debugfs.c

[akpm@linux-foundation.org: make functions static]
[akpm@linux-foundation.org: fix debugfs_mount() signature]
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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