mm: support more pagesizes for MAP_HUGETLB/SHM_HUGETLB

[sfrench/cifs-2.6.git] / include / uapi / asm-generic / mman.h

diff --git a/include/uapi/asm-generic/mman.h b/include/uapi/asm-generic/mman.h
index 32c8bd6a196dffe0cc2cfd367792754faf88836e..e9fe6fd2a07450b36b607b321c056089e7bd59dc 100644 (file)
--- a/include/uapi/asm-generic/mman.h
+++ b/include/uapi/asm-generic/mman.h
@@ -13,6 +13,8 @@
 #define MAP_STACK      0x20000         /* give out an address that is best suited for process/thread stacks */
 #define MAP_HUGETLB    0x40000         /* create a huge page mapping */
 
+/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
+
 #define MCL_CURRENT    1               /* lock all current mappings */
 #define MCL_FUTURE     2               /* lock all future mappings */