From: Peter Zijlstra <peterz@infradead.org>
Date: Thu, 15 Nov 2007 00:59:15 +0000 (-0800)
Subject: mm: speed up writeback ramp-up on clean systems
X-Git-Tag: v2.6.24-rc3~105
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fce25a9df4865bdd5e3dc4853b269dc1677a02a;p=pandora-kernel.git

mm: speed up writeback ramp-up on clean systems

We allow violation of bdi limits if there is a lot of room on the system.
Once we hit half the total limit we start enforcing bdi limits and bdi
ramp-up should happen.  Doing it this way avoids many small writeouts on an
otherwise idle system and should also speed up the ramp-up.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed