diff --git a/arch/alpha/include/asm/mman.h b/arch/alpha/include/asm/mman.h
index f746541..72db984 100644
--- a/arch/alpha/include/asm/mman.h
+++ b/arch/alpha/include/asm/mman.h
@@ -54,6 +54,7 @@
 #define MADV_UNMERGEABLE 13		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not worth backing with hugepages */
 
 /* compatibility flags */
 #define MAP_FILE	0
diff --git a/arch/mips/include/asm/mman.h b/arch/mips/include/asm/mman.h
index 9d8184c..785b4ea 100644
--- a/arch/mips/include/asm/mman.h
+++ b/arch/mips/include/asm/mman.h
@@ -78,6 +78,7 @@
 #define MADV_HWPOISON    100		/* poison a page for testing */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not worth backing with hugepages */
 
 /* compatibility flags */
 #define MAP_FILE	0
diff --git a/arch/parisc/include/asm/mman.h b/arch/parisc/include/asm/mman.h
index 533c5dc..f5b7bf5 100644
--- a/arch/parisc/include/asm/mman.h
+++ b/arch/parisc/include/asm/mman.h
@@ -60,6 +60,7 @@
 #define MADV_UNMERGEABLE 66		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	67		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	68		/* Not worth backing with hugepages */
 
 /* compatibility flags */
 #define MAP_FILE	0
diff --git a/arch/xtensa/include/asm/mman.h b/arch/xtensa/include/asm/mman.h
index 41be9a1..3078901 100644
--- a/arch/xtensa/include/asm/mman.h
+++ b/arch/xtensa/include/asm/mman.h
@@ -84,6 +84,7 @@
 #define MADV_UNMERGEABLE 13		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not worth backing with hugepages */
 
 /* compatibility flags */
 #define MAP_FILE	0
diff --git a/include/asm-generic/mman-common.h b/include/asm-generic/mman-common.h
index e91392f..787abbb 100644
--- a/include/asm-generic/mman-common.h
+++ b/include/asm-generic/mman-common.h
@@ -46,6 +46,7 @@
 #define MADV_UNMERGEABLE 13		/* KSM may not merge identical pages */
 
 #define MADV_HUGEPAGE	14		/* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE	15		/* Not worth backing with hugepages */
 
 /* compatibility flags */
 #define MAP_FILE	0