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authorMel Gorman <mgorman@suse.de>2013-10-07 11:29:06 +0100
committerIngo Molnar <mingo@kernel.org>2013-10-09 12:40:33 +0200
commit073b5beea735c7e1970686c94ff1f3aaac790a2a (patch)
treeba44188b0a4b52fddd1d0a7b9a6a214ea6212def /mm/mprotect.c
parent1bc115d87dffd1c43bdc3c9c9d1e3a51c195d18e (diff)
sched/numa: Remove check that skips small VMAs
task_numa_work skips small VMAs. At the time the logic was to reduce the scanning overhead which was considerable. It is a dubious hack at best. It would make much more sense to cache where faults have been observed and only rescan those regions during subsequent PTE scans. Remove this hack as motivation to do it properly in the future. Signed-off-by: Mel Gorman <mgorman@suse.de> Reviewed-by: Rik van Riel <riel@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1381141781-10992-29-git-send-email-mgorman@suse.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
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