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-rw-r--r--sysdeps/unix/sysv/linux/alpha/bits/mman.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/mman.h b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
index 935804b84c..3abfd8449f 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
@@ -36,6 +36,8 @@
 # define MAP_NONBLOCK	  0x40000	/* Do not block on IO.  */
 # define MAP_STACK	  0x80000	/* Allocation is for a stack.  */
 # define MAP_HUGETLB	  0x100000	/* Create huge page mapping.  */
+# define MAP_FIXED_NOREPLACE 0x200000	/* MAP_FIXED but do not unmap
+					   underlying mapping.  */
 #endif
 
 /* Flags for `mlockall'.  */