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Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/mman-linux.h')
-rw-r--r--sysdeps/unix/sysv/linux/bits/mman-linux.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h
index 6c06069cdc..27d2dc41c4 100644
--- a/sysdeps/unix/sysv/linux/bits/mman-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h
@@ -51,6 +51,9 @@
 # define MAP_FILE	0
 # define MAP_ANONYMOUS	0x20		/* Don't use a file.  */
 # define MAP_ANON	MAP_ANONYMOUS
+/* When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size.  */
+# define MAP_HUGE_SHIFT	26
+# define MAP_HUGE_MASK	0x3f
 #endif
 
 /* Flags to `msync'.  */