Re: khugepaged doesn't want to freeze

From: Andrea Arcangeli
Date: Tue Nov 08 2011 - 10:29:37 EST


[PATCH] thp: reduce khugepaged freezing latency

Beware patch untested but I suspect the problem was the lack of
wakeup during long schedule_timeout. And a missing try_to_freeze in
case alloc_hugepage repeatedly fails in the CONFIG_NUMA=n case.
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