mm: ashmem: Add cache clean and invalidate ioctls for ashmem

CRs-fixed: 291124
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>
diff --git a/include/linux/ashmem.h b/include/linux/ashmem.h
index c05c180..25a190e 100644
--- a/include/linux/ashmem.h
+++ b/include/linux/ashmem.h
@@ -45,6 +45,8 @@
 #define ASHMEM_GET_PIN_STATUS	_IO(__ASHMEMIOC, 9)
 #define ASHMEM_PURGE_ALL_CACHES	_IO(__ASHMEMIOC, 10)
 #define ASHMEM_CACHE_FLUSH_RANGE	_IO(__ASHMEMIOC, 11)
+#define ASHMEM_CACHE_CLEAN_RANGE	_IO(__ASHMEMIOC, 12)
+#define ASHMEM_CACHE_INV_RANGE		_IO(__ASHMEMIOC, 13)
 
 int get_ashmem_file(int fd, struct file **filp, struct file **vm_file,
 			unsigned long *len);