From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 30 Apr 2008 07:54:36 +0000 (-0700)
Subject: mm: bdi: allow setting a maximum for the bdi dirty limit
X-Git-Tag: v2.6.26-rc1~154
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a42dde04152750426cc620fd277e80fffae2f65a;p=pandora-kernel.git

mm: bdi: allow setting a maximum for the bdi dirty limit

Add "max_ratio" to /sys/class/bdi.  This indicates the maximum percentage of
the global dirty threshold allocated to this bdi.

[mszeredi@suse.cz]

 - fix parsing in max_ratio_store().
 - export bdi_set_max_ratio() to modules
 - limit bdi_dirty with bdi->max_ratio
 - document new sysfs attribute

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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