diff options
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index e865d51f1c74..e1c6064cb6c7 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -151,17 +151,26 @@ static inline enum zone_type gfp_zone(gfp_t flags) * virtual kernel addresses to the allocated page(s). */ +static inline int gfp_zonelist(gfp_t flags) +{ + if (NUMA_BUILD && unlikely(flags & __GFP_THISNODE)) + return 1; + + return 0; +} + /* * We get the zone list from the current node and the gfp_mask. * This zone list contains a maximum of MAXNODES*MAX_NR_ZONES zones. - * There are many zonelists per node, two for each active zone. + * There are two zonelists per node, one for all zones with memory and + * one containing just zones from the node the zonelist belongs to. * * For the normal case of non-DISCONTIGMEM systems the NODE_DATA() gets * optimized to &contig_page_data at compile-time. */ static inline struct zonelist *node_zonelist(int nid, gfp_t flags) { - return NODE_DATA(nid)->node_zonelists + gfp_zone(flags); + return NODE_DATA(nid)->node_zonelists + gfp_zonelist(flags); } #ifndef HAVE_ARCH_FREE_PAGE |