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-rw-r--r--libc/stdlib/malloc/malloc.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/libc/stdlib/malloc/malloc.c b/libc/stdlib/malloc/malloc.c
index b20c09390..fce529d80 100644
--- a/libc/stdlib/malloc/malloc.c
+++ b/libc/stdlib/malloc/malloc.c
@@ -495,7 +495,13 @@ static Block_t *bl_mapnew(size_t size)
map_size = PAGE_ALIGN(size);
pt = mmap(LARGE_MSTART, map_size, PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_PRIVATE | MAP_ANON, 0, 0);
+#ifdef __HAS_NO_MMU__
+ MAP_SHARED | MAP_ANONYMOUS
+#else
+ MAP_PRIVATE | MAP_ANONYMOUS
+#endif
+ 0, 0);
+
if (pt == MAP_FAILED)
return (Block_t *) NULL;
@@ -517,7 +523,12 @@ void __bl_uncommit(Block_t * b)
#if M_DOTRIMMING
mmap(u_start, u_end - u_start, PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_PRIVATE | MAP_ANON | MAP_FIXED, 0, 0);
+#ifdef __HAS_NO_MMU__
+ MAP_SHARED | MAP_ANONYMOUS |MAP_FIXED
+#else
+ MAP_PRIVATE | MAP_ANONYMOUS |MAP_FIXED
+#endif
+ 0, 0);
#endif
}