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-rw-r--r--sysdeps/unix/sysv/linux/sys/mman.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/mman.h b/sysdeps/unix/sysv/linux/sys/mman.h
index 007dbfd6d6..33361549f9 100644
--- a/sysdeps/unix/sysv/linux/sys/mman.h
+++ b/sysdeps/unix/sysv/linux/sys/mman.h
@@ -66,7 +66,7 @@ int mprotect __P ((__caddr_t __addr, size_t __len, int __prot));
 /* Synchronize the region starting at ADDR and extending LEN bytes with the
    file it maps.  Filesystem operations on a file being mapped are
    unpredictable before this is done.  */
-int msync __P ((__caddr_t __addr, size_t __len));
+int msync __P ((__caddr_t __addr, size_t __len, int flags));
 
 /* Advise the system about particular usage patterns the program follows
    for the region starting at ADDR and extending LEN bytes.  */