Use MAP_PRIVATE whenever __ARCH_HAS_MMU__ is set.

Only use MAP_SHARED when mmu-less.

1 files changed, 2 insertions, 2 deletions

diff --git a/libc/stdlib/malloc-simple/alloc.c b/libc/stdlib/malloc-simple/alloc.c
index c0f702676..68cd77665 100644
--- a/libc/stdlib/malloc-simple/alloc.c
+++ b/libc/stdlib/malloc-simple/alloc.c
@@ -33,14 +33,14 @@ void *malloc(size_t size)
 
 #ifdef __ARCH_HAS_MMU__
     result = mmap((void *) 0, size + sizeof(size_t), PROT_READ | PROT_WRITE,
-	    MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+	    MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
     if (result == MAP_FAILED)
 	return 0;
     * (size_t *) result = size;
     return(result + sizeof(size_t));
 #else
     result = mmap((void *) 0, size, PROT_READ | PROT_WRITE,
-	    MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+	    MAP_SHARED | MAP_ANONYMOUS, 0, 0);
     if (result == MAP_FAILED)
 	return 0;
     return(result);