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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-16 23:25:50 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:45 -0700
commit3e26c149c358529b1605f8959341d34bc4b880a3 (patch)
tree9d173b1753b86bcf03a8591e2509e3162234447c /fs/locks.c
parent04fbfdc14e5f48463820d6b9807daa5e9c92c51f (diff)
mm: dirty balancing for tasks
Based on ideas of Andrew: http://marc.info/?l=linux-kernel&m=102912915020543&w=2 Scale the bdi dirty limit inversly with the tasks dirty rate. This makes heavy writers have a lower dirty limit than the occasional writer. Andrea proposed something similar: http://lwn.net/Articles/152277/ The main disadvantage to his patch is that he uses an unrelated quantity to measure time, which leaves him with a workload dependant tunable. Other than that the two approaches appear quite similar. [akpm@linux-foundation.org: fix warning] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/locks.c')
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