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-rw-r--r--include/linux/swapfile.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/swapfile.h b/include/linux/swapfile.h
index 54078542134c..7ed529a77c5b 100644
--- a/include/linux/swapfile.h
+++ b/include/linux/swapfile.h
@@ -8,6 +8,11 @@
*/
extern struct swap_info_struct *swap_info[];
extern unsigned long generic_max_swapfile_size(void);
-extern unsigned long max_swapfile_size(void);
+unsigned long arch_max_swapfile_size(void);
+
+/* Maximum swapfile size supported for the arch (not inclusive). */
+extern unsigned long swapfile_maximum_size;
+/* Whether swap migration entry supports storing A/D bits for the arch */
+extern bool swap_migration_ad_supported;
#endif /* _LINUX_SWAPFILE_H */