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-rw-r--r--sysdeps/unix/sysv/linux/alpha/bits/mman.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/mman.h b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
index 1411c85831..a7ada102d2 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/mman.h
@@ -81,3 +81,19 @@
 #ifdef __USE_GNU
 # define MREMAP_MAYMOVE	1
 #endif
+
+/* Advice to `madvise'.  */
+#ifdef __USE_BSD
+# define MADV_NORMAL     0	/* No further special treatment.  */
+# define MADV_RANDOM     1	/* Expect random page references.  */
+# define MADV_SEQUENTIAL 2	/* Expect sequential page references.  */
+# define MADV_WILLNEED   3	/* Will need these pages.  */
+# define MADV_DONTNEED   6	/* Don't need these pages.  */
+#endif
+
+/* Not used by Linux, but here to make sure we don't clash with
+   OSF/1 defines.  */
+#if 0 && defined(__USE_BSD)
+# define MADV_DONTNEED_COMPAT 4	/* Old version?  */
+# define MADV_SPACEAVAIL 5	/* Ensure resources are available.  */
+#endif