https://github.com/torvalds/linux
Revision 3cf1962cdbf6b3a9e3ef21116d215bbab350ea37 authored by Rik van Riel on 18 February 2014, 22:12:44 UTC, committed by Thomas Gleixner on 21 February 2014, 20:27:10 UTC
Normally task_numa_work scans over a fairly small amount of memory,
but it is possible to run into a large unpopulated part of virtual
memory, with no pages mapped. In that case, task_numa_work can run
for a while, and it may make sense to reschedule as required.

Cc: akpm@linux-foundation.org
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Reported-by: Xing Gang <gang.xing@hp.com>
Tested-by: Chegu Vinod <chegu_vinod@hp.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1392761566-24834-2-git-send-email-riel@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 parent 4951634
History
Tip revision: 3cf1962cdbf6b3a9e3ef21116d215bbab350ea37 authored by Rik van Riel on 18 February 2014, 22:12:44 UTC
sched,numa: add cond_resched to task_numa_work
Tip revision: 3cf1962
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