On Tue, Nov 13, 2018 at 04:04:36PM +0800, Wei Yang wrote: > Commit fa5e084e43eb ("vmscan: do not unconditionally treat zones that > fail zone_reclaim() as full") changed the return value of node_reclaim(). > The original return value 0 means NODE_RECLAIM_SOME after this commit. > > While the return value of node_reclaim() when CONFIG_NUMA is n is not > changed. This will leads to call zone_watermark_ok() again. > > This patch fix the return value by adjusting to NODE_RECLAIM_NOSCAN. Since > node_reclaim() is only called in page_alloc.c, move it to mm/internal.h. > > Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> Reviewed-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>