aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/bits/mman-linux.h
diff options
context:
space:
mode:
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'. */