On Thu, Jul 24, 2014 at 03:41:06PM -0700, David Rientjes wrote: > __GFP_NO_KSWAPD, once the way to determine if an allocation was for thp or not, > has gained more users. Their use is not necessarily wrong, they are trying to > do a memory allocation that can easily fail without disturbing kswapd, so the > bit has gained additional usecases. > > This restructures the check to determine whether MIGRATE_SYNC_LIGHT should be > used for memory compaction in the page allocator. Rather than testing solely > for __GFP_NO_KSWAPD, test for all bits that must be set for thp allocations. > > This also moves the check to be done only after the page allocator is aborted > for deferred or contended memory compaction since setting migration_mode for > this case is pointless. > > Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx> Acked-by: Mel Gorman <mgorman@xxxxxxx> -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>