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-rw-r--r--include/sys/mman.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sys/mman.h b/include/sys/mman.h
index a48c2b4f..a45f11d6 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -27,6 +27,9 @@ int munlockall (void);
#ifdef _GNU_SOURCE
void *mremap (void *, size_t, size_t, int, ...);
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
int madvise (void *, size_t, int);
#endif