diff options
| -rw-r--r-- | kexec/kexec.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kexec/kexec.h b/kexec/kexec.h index 94c62c1..916a24b 100644 --- a/kexec/kexec.h +++ b/kexec/kexec.h @@ -100,6 +100,18 @@ do { \ } \ } while(0) +#define _ALIGN_UP_MASK(addr, mask) (((addr) + (mask)) & ~(mask)) +#define _ALIGN_DOWN_MASK(addr, mask) ((addr) & ~(mask)) + +/* align addr on a size boundary - adjust address up/down if needed */ +#define _ALIGN_UP(addr, size) \ + _ALIGN_UP_MASK(addr, (typeof(addr))(size) - 1) +#define _ALIGN_DOWN(addr, size) \ + _ALIGN_DOWN_MASK(addr, (typeof(addr))(size) - 1) + +/* align addr on a size boundary - adjust address up if needed */ +#define _ALIGN(addr, size) _ALIGN_UP(addr, size) + extern unsigned long long mem_min, mem_max; extern int kexec_debug; |