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-rw-r--r--include/linux/mempolicy.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 0aaf91b496e2..4ca025e2a77e 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -184,6 +184,8 @@ extern bool vma_migratable(struct vm_area_struct *vma);
extern int mpol_misplaced(struct page *, struct vm_area_struct *, unsigned long);
extern void mpol_put_task_policy(struct task_struct *);
+extern bool numa_demotion_enabled;
+
#else
struct mempolicy {};
@@ -292,5 +294,7 @@ static inline nodemask_t *policy_nodemask_current(gfp_t gfp)
{
return NULL;
}
+
+#define numa_demotion_enabled false
#endif /* CONFIG_NUMA */
#endif