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Diffstat (limited to 'include/linux/mempolicy.h')
-rw-r--r--include/linux/mempolicy.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index b0fab9e8065..dcc17378c95 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -214,6 +214,13 @@ static inline void check_highest_zone(enum zone_type k)
int do_migrate_pages(struct mm_struct *mm,
const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags);
+
+#ifdef CONFIG_TMPFS
+extern int mpol_parse_str(char *str, unsigned short *mode,
+ unsigned short *mode_flags, nodemask_t *policy_nodes);
+
+extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol);
+#endif
#else
struct mempolicy {};
@@ -313,6 +320,20 @@ static inline int do_migrate_pages(struct mm_struct *mm,
static inline void check_highest_zone(int k)
{
}
+
+#ifdef CONFIG_TMPFS
+static inline int mpol_parse_str(char *value, unsigned short *policy,
+ unsigned short flags, nodemask_t *policy_nodes)
+{
+ return 1;
+}
+
+static inline int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol)
+{
+ return 0;
+}
+#endif
+
#endif /* CONFIG_NUMA */
#endif /* __KERNEL__ */