aboutsummaryrefslogtreecommitdiffstats
path: root/mm/page_alloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3da85b81dabb..6427653023aa 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1157,6 +1157,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order,
1157 nodemask_t *allowednodes = NULL;/* zonelist_cache approximation */ 1157 nodemask_t *allowednodes = NULL;/* zonelist_cache approximation */
1158 int zlc_active = 0; /* set if using zonelist_cache */ 1158 int zlc_active = 0; /* set if using zonelist_cache */
1159 int did_zlc_setup = 0; /* just call zlc_setup() one time */ 1159 int did_zlc_setup = 0; /* just call zlc_setup() one time */
1160 enum zone_type highest_zoneidx = -1; /* Gets set for policy zonelists */
1160 1161
1161zonelist_scan: 1162zonelist_scan:
1162 /* 1163 /*
@@ -1166,6 +1167,18 @@ zonelist_scan:
1166 z = zonelist->zones; 1167 z = zonelist->zones;
1167 1168
1168 do { 1169 do {
1170 /*
1171 * In NUMA, this could be a policy zonelist which contains
1172 * zones that may not be allowed by the current gfp_mask.
1173 * Check the zone is allowed by the current flags
1174 */
1175 if (unlikely(alloc_should_filter_zonelist(zonelist))) {
1176 if (highest_zoneidx == -1)
1177 highest_zoneidx = gfp_zone(gfp_mask);
1178 if (zone_idx(*z) > highest_zoneidx)
1179 continue;
1180 }
1181
1169 if (NUMA_BUILD && zlc_active && 1182 if (NUMA_BUILD && zlc_active &&
1170 !zlc_zone_worth_trying(zonelist, z, allowednodes)) 1183 !zlc_zone_worth_trying(zonelist, z, allowednodes))
1171 continue; 1184 continue;