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Diffstat (limited to 'include/linux/mempolicy.h')
-rw-r--r--include/linux/mempolicy.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index ea9c15b60a96..5f1c74df264d 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -6,7 +6,7 @@
#ifndef _LINUX_MEMPOLICY_H
#define _LINUX_MEMPOLICY_H 1
-
+#include <linux/sched.h>
#include <linux/mmzone.h>
#include <linux/dax.h>
#include <linux/slab.h>
@@ -28,7 +28,7 @@ struct mm_struct;
* the process policy is used. Interrupts ignore the memory policy
* of the current process.
*
- * Locking policy for interlave:
+ * Locking policy for interleave:
* In process context there is no locking because only the process accesses
* its own state. All vma manipulation is somewhat protected by a down_read on
* mmap_lock.
@@ -152,6 +152,15 @@ extern int huge_node(struct vm_area_struct *vma,
extern bool init_nodemask_of_mempolicy(nodemask_t *mask);
extern bool mempolicy_nodemask_intersects(struct task_struct *tsk,
const nodemask_t *mask);
+extern nodemask_t *policy_nodemask(gfp_t gfp, struct mempolicy *policy);
+
+static inline nodemask_t *policy_nodemask_current(gfp_t gfp)
+{
+ struct mempolicy *mpol = get_task_policy(current);
+
+ return policy_nodemask(gfp, mpol);
+}
+
extern unsigned int mempolicy_slab_node(void);
extern enum zone_type policy_zone;
@@ -281,5 +290,10 @@ static inline int mpol_misplaced(struct page *page, struct vm_area_struct *vma,
static inline void mpol_put_task_policy(struct task_struct *task)
{
}
+
+static inline nodemask_t *policy_nodemask_current(gfp_t gfp)
+{
+ return NULL;
+}
#endif /* CONFIG_NUMA */
#endif