diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mempolicy.h | 2 | ||||
| -rw-r--r-- | include/linux/mmzone.h | 18 |
2 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index e147cf50529..5bdd656e88c 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -166,7 +166,7 @@ extern enum zone_type policy_zone; static inline void check_highest_zone(enum zone_type k) { - if (k > policy_zone) + if (k > policy_zone && k != ZONE_MOVABLE) policy_zone = k; } diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 3ea68cd3b61..4e5627379b0 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -410,6 +410,24 @@ struct zonelist { #endif }; +#ifdef CONFIG_NUMA +/* + * Only custom zonelists like MPOL_BIND need to be filtered as part of + * policies. As described in the comment for struct zonelist_cache, these + * zonelists will not have a zlcache so zlcache_ptr will not be set. Use + * that to determine if the zonelists needs to be filtered or not. + */ +static inline int alloc_should_filter_zonelist(struct zonelist *zonelist) +{ + return !zonelist->zlcache_ptr; +} +#else +static inline int alloc_should_filter_zonelist(struct zonelist *zonelist) +{ + return 0; +} +#endif /* CONFIG_NUMA */ + #ifdef CONFIG_ARCH_POPULATES_NODE_MAP struct node_active_region { unsigned long start_pfn; |