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-rw-r--r--arch/mn10300/include/asm/cache.h2
-rw-r--r--arch/mn10300/include/asm/mman.h5
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/cache.h b/arch/mn10300/include/asm/cache.h
index e03cfa2e997e..6e2fe28dde4e 100644
--- a/arch/mn10300/include/asm/cache.h
+++ b/arch/mn10300/include/asm/cache.h
@@ -21,6 +21,8 @@
#define L1_CACHE_DISPARITY L1_CACHE_NENTRIES * L1_CACHE_BYTES
#endif
+#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+
/* data cache purge registers
* - read from the register to unconditionally purge that cache line
* - write address & 0xffffff00 to conditionally purge that cache line
diff --git a/arch/mn10300/include/asm/mman.h b/arch/mn10300/include/asm/mman.h
index 8eebf89f5ab1..db5c53da73ce 100644
--- a/arch/mn10300/include/asm/mman.h
+++ b/arch/mn10300/include/asm/mman.h
@@ -1 +1,6 @@
#include <asm-generic/mman.h>
+
+#define MIN_MAP_ADDR PAGE_SIZE /* minimum fixed mmap address */
+
+#define arch_mmap_check(addr, len, flags) \
+ (((flags) & MAP_FIXED && (addr) < MIN_MAP_ADDR) ? -EINVAL : 0)