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-rw-r--r--libc/sysdeps/linux/common/madvise.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/madvise.c b/libc/sysdeps/linux/common/madvise.c
index e953d7b92..bb486d22c 100644
--- a/libc/sysdeps/linux/common/madvise.c
+++ b/libc/sysdeps/linux/common/madvise.c
@@ -9,6 +9,8 @@
#include <sys/syscall.h>
#include <sys/mman.h>
+#ifdef __ARCH_USE_MMU__
#if defined __NR_madvise && defined __USE_BSD
_syscall3(int, madvise, void *, __addr, size_t, __len, int, __advice)
+#endif /* __ARCH_USE_MMU__ */
#endif