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authorEric Andersen <andersen@codepoet.org>2004-07-15 08:06:25 +0000
committerEric Andersen <andersen@codepoet.org>2004-07-15 08:06:25 +0000
commit921fde55c32eecb4087ca59b41982b7e5c4731d1 (patch)
treef3a4add7cdcb203f128eab7cb66360443823bb2f /libc/stdlib/malloc-standard/malloc.h
parent288a56c4a2ddb87a61fe11a3c1d3a95a01b70878 (diff)
Use MAP_PRIVATE whenever __ARCH_HAS_MMU__ is set.
Only use MAP_SHARED when mmu-less.
Diffstat (limited to 'libc/stdlib/malloc-standard/malloc.h')
-rw-r--r--libc/stdlib/malloc-standard/malloc.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/libc/stdlib/malloc-standard/malloc.h b/libc/stdlib/malloc-standard/malloc.h
index 46858332d..0b8bbef31 100644
--- a/libc/stdlib/malloc-standard/malloc.h
+++ b/libc/stdlib/malloc-standard/malloc.h
@@ -350,8 +350,17 @@ extern pthread_mutex_t __malloc_lock;
#define MAP_ANONYMOUS MAP_ANON
#endif
-#define MMAP(addr, size, prot, flags) \
- (mmap((addr), (size), (prot), (flags)|MAP_ANONYMOUS, -1, 0))
+#ifdef __ARCH_HAS_MMU__
+
+#define MMAP(addr, size, prot) \
+ (mmap((addr), (size), (prot), MAP_PRIVATE|MAP_ANONYMOUS, 0, 0))
+
+#else
+
+#define MMAP(addr, size, prot) \
+ (mmap((addr), (size), (prot), MAP_SHARED|MAP_ANONYMOUS, 0, 0))
+
+#endif
/* ----------------------- Chunk representations ----------------------- */