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-rw-r--r--libc/stdlib/malloc/malloc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/stdlib/malloc/malloc.h b/libc/stdlib/malloc/malloc.h
index e5010d49b..37afe7299 100644
--- a/libc/stdlib/malloc/malloc.h
+++ b/libc/stdlib/malloc/malloc.h
@@ -43,7 +43,7 @@
heap, instead of mmap/munmap. This is a tradeoff -- sbrk is faster than
mmap/munmap, and guarantees contiguous allocation, but is also less
flexible, and causes the heap to only be shrinkable from the end. */
-#ifdef __UCLIBC_HAS_MMU__
+#ifdef __ARCH_HAS_MMU__
# define MALLOC_USE_SBRK
#endif