From 921fde55c32eecb4087ca59b41982b7e5c4731d1 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 15 Jul 2004 08:06:25 +0000 Subject: Use MAP_PRIVATE whenever __ARCH_HAS_MMU__ is set. Only use MAP_SHARED when mmu-less. --- libc/stdlib/malloc/malloc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'libc/stdlib/malloc') diff --git a/libc/stdlib/malloc/malloc.c b/libc/stdlib/malloc/malloc.c index 5ba552d25..e4523adb2 100644 --- a/libc/stdlib/malloc/malloc.c +++ b/libc/stdlib/malloc/malloc.c @@ -103,8 +103,13 @@ malloc_from_heap (size_t size, struct heap *heap) #else /* !MALLOC_USE_SBRK */ /* Otherwise, use mmap. */ - block = mmap (0, block_size, PROT_READ | PROT_WRITE, +#ifdef __ARCH_HAS_MMU__ + block = mmap ((void *)0, block_size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); +#else + block = mmap ((void *)0, block_size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0); +#endif #endif /* MALLOC_USE_SBRK */ -- cgit v1.2.3