Changeset db96017 in mainline for kernel/generic/include/align.h

Timestamp:

2012-04-07T17:41:44Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b6913b7

Parents:

b69e4c0 (diff), 6bb169b5 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

File:

• kernel/generic/include/align.h (modified) (2 diffs)

kernel/generic/include/align.h

@@ -42 +42 @@
  *
  * @param s Address or size to be aligned.
- * @param a Size of alignment, must be power of 2.
+ * @param a Size of alignment, must be a power of 2.
  */
 #define ALIGN_DOWN(s, a)  ((s) & ~((a) - 1))
@@ -50 +50 @@
  *
  * @param s Address or size to be aligned.
- * @param a Size of alignment, must be power of 2.
+ * @param a Size of alignment, must be a power of 2.
  */
 #define ALIGN_UP(s, a)  (((s) + ((a) - 1)) & ~((a) - 1))
+
+/** Check alignment.
+ *
+ * @param s Address or size to be checked for alignment.
+ * @param a Size of alignment, must be a power of 2.
+ */ 
+#define IS_ALIGNED(s, a)        (ALIGN_UP((s), (a)) == (s))
 
 #endif