diff options
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r-- | mm/page_alloc.c | 13 |
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 | ||
1161 | zonelist_scan: | 1162 | zonelist_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; |