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authorChristoph Lameter <clameter@engr.sgi.com>2006-02-01 06:05:34 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-01 11:53:16 -0500
commit1b2ffb7896ad46067f5b9ebf7de1891d74a4cdef (patch)
treea8f257639d4041bf0e7d61eda3fb72f2eb69f4bc /init/main.c
parent2a11ff06d7d12be5d1bbcf592fff649b45ac2388 (diff)
[PATCH] Zone reclaim: Allow modification of zone reclaim behavior
In some situations one may want zone_reclaim to behave differently. For example a process writing large amounts of memory will spew unto other nodes to cache the writes if many pages in a zone become dirty. This may impact the performance of processes running on other nodes. Allowing writes during reclaim puts a stop to that behavior and throttles the process by restricting the pages to the local zone. Similarly one may want to contain processes to local memory by enabling regular swap behavior during zone_reclaim. Off node memory allocation can then be controlled through memory policies and cpusets. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'init/main.c')
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