diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-12-21 13:51:46 +0900 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-01-10 08:05:51 -0500 |
| commit | 75db00eea03d5b892c4e69ab17891fca968187d3 (patch) | |
| tree | a4fc5af7de4109ad53591671e2f2dcd09bb726fc | |
| parent | e7dd4f9b0c944dcd12ae2c36c4c06ef842a10fe9 (diff) | |
linux/kernel.h: Add ALIGN_DOWN macro
Follow Linux commit ed067d4a859f ("linux/kernel.h: Add ALIGN_DOWN
macro").
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| -rw-r--r-- | include/linux/kernel.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 87d2d9554d..04a09eb4f6 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -38,6 +38,7 @@ #define REPEAT_BYTE(x) ((~0ul / 0xff) * (x)) #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) +#define ALIGN_DOWN(x, a) ALIGN((x) - ((a) - 1), (a)) #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) #define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a))) #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) |