On 02/12/2014 09:41 PM, Weijie Yang wrote: > We abort direct reclaim if find the zone is ready for compaction. > > Sometimes the zone is just a promoted highmem zone to force scan > pinning highmem, which is not the intended zone the caller want to > alloc page from. In this situation, setting aborted_reclaim to > indicate the caller turn back to retry allocation is waste of time > and could cause a loop in __alloc_pages_slowpath(). > > This patch do not check compaction_ready() on promoted zones to avoid > the above situation, only set aborted_reclaim if the caller intended > zone is ready to compaction. > > Signed-off-by: Weijie Yang <weijie.y...@samsung.com>
Acked-by: Rik van Riel <r...@redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
