diff --git a/include/linux/gmem.h b/include/linux/gmem.h
index dec08f068529c31e6eeac19b120c411dc93c7893..a646852fcc8d0b282c9c006e16dc89217fffc32d 100644
--- a/include/linux/gmem.h
+++ b/include/linux/gmem.h
@@ -217,6 +217,8 @@ struct gm_page {
 /* For driver to add device pages */
 int gm_add_pages(unsigned int hnid, struct list_head *pages);
 struct gm_page *alloc_gm_page_struct(void);
+enum gm_ret gm_dev_fault(struct mm_struct *mm, unsigned long addr,
+				struct gm_dev *dev, int behavior);
 
 #endif /* CONFIG_GMEM */
 
diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h
index 9fb7d3e5e2e78c7373251ba5fd26699dc627e2c8..ed28bb2c071078e1ae5c8da46a474176ce43a994 100644
--- a/include/uapi/asm-generic/mman-common.h
+++ b/include/uapi/asm-generic/mman-common.h
@@ -33,7 +33,7 @@
 #define MAP_UNINITIALIZED 0x4000000	/* For anonymous mmap, memory could be
 					 * uninitialized */
 
-#define MAP_PEER_SHARED		0x1000000 /* GMEM scene, for heterogeneous memory */
+#define MAP_PEER_SHARED		0x10000000 /* GMEM scene, for heterogeneous memory */
 
 /*
  * Flags for mlock