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authorPeter Zijlstra <peterz@infradead.org>2007-11-15 03:59:15 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-15 05:45:38 +0300
commit5fce25a9df4865bdd5e3dc4853b269dc1677a02a (patch)
tree207fe2bf726bac89e402eb738b9548cfc7cae2f5 /mm/memory_hotplug.c
parent546040dc4872f807d40b69bed86605636082564c (diff)
downloadlinux-5fce25a9df4865bdd5e3dc4853b269dc1677a02a.tar.xz
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>
Diffstat (limited to 'mm/memory_hotplug.c')
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