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-rw-r--r--include/sys/mman.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sys/mman.h b/include/sys/mman.h
index 587dff60d..6ad3b9d75 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -99,7 +99,7 @@ extern int madvise (void *__addr, size_t __len, int __advice) __THROW;
extern int posix_madvise (void *__addr, size_t __len, int __advice) __THROW;
#endif
-#ifdef __ARCH_HAS_MMU__
+#ifdef __ARCH_USE_MMU__
/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
be memory resident. */
extern int mlock (__const void *__addr, size_t __len) __THROW;