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authorDavid Rientjes <rientjes@google.com>2010-09-22 13:05:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-09-22 17:22:39 -0700
commite85bfd3aa7a34fa963bb268a676b41694e6dcf96 (patch)
tree6d92d25d390668879fe952e6b6068d774d0471b4 /scripts
parentfd02db9de73faebc51240619c7c7f99bee9f65c7 (diff)
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oom: filter unkillable tasks from tasklist dump
/proc/sys/vm/oom_dump_tasks is enabled by default, so it's necessary to limit as much information as possible that it should emit. The tasklist dump should be filtered to only those tasks that are eligible for oom kill. This is already done for memcg ooms, but this patch extends it to both cpuset and mempolicy ooms as well as init. In addition to suppressing irrelevant information, this also reduces confusion since users currently don't know which tasks in the tasklist aren't eligible for kill (such as those attached to cpusets or bound to mempolicies with a disjoint set of mems or nodes, respectively) since that information is not shown. Signed-off-by: David Rientjes <rientjes@google.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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