| /drivers/include/linux/kernel.h |
|---|
| 36,7 → 36,13 |
| #define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a))) |
| #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) |
| #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) |
| /* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */ |
| #define roundup(x, y) ( \ |
| { \ |
| const typeof(y) __y = y; \ |
| (((x) + (__y - 1)) / __y) * __y; \ |
| } \ |
| ) |
| #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
| #define DIV_ROUND_CLOSEST(x, divisor)( \ |