Re: [PATCH] slub: Don't throw away partial remote slabs if there is no local memory

------------->8--------------------

diff --git a/mm/slub.c b/mm/slub.c
index c3eb3d3..a1f6dfa 100644
--- a/mm/slub.c
+++ b/mm/slub.c

@@ -1672,7 +1672,19 @@ static void *get_partial(struct kmem_cache *s, gfp_t flags, int node,

{
       void *object;
       int searchnode = (node == NUMA_NO_NODE) ? numa_node_id() : node;
+       struct zonelist *zonelist;
+       struct zoneref *z;
+       struct zone *zone;
+       enum zone_type high_zoneidx = gfp_zone(flags);

+       if (!node_present_pages(searchnode)) {
+               zonelist = node_zonelist(searchnode, flags);
+               for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
+                       searchnode = zone_to_nid(zone);
+                       if (node_present_pages(searchnode))
+                               break;
+               }
+       }
       object = get_partial_node(s, get_node(s, searchnode), c, flags);
       if (object || node != NUMA_NO_NODE)
               return object;