macros: add align_up()

7 years ago · bf677b7655
parent a7d71e84cf
commit bf677b7655
1 changed files with 1 additions and 0 deletions
--- a/include/macros.h
+++ b/include/macros.h
@ -22,6 +22,7 @@
 #define ROUND_UP(x, k) (((x) + (k) - 1) & ~((k) - 1))

 #define align(x, k) ((x) & ~((1 << (k)) - 1))
+#define align_up(x, k) align(x + ((1 << (k)) - 1), k)
 #define is_aligned(x, k) (!((x) & ((1 << (k)) - 1)))
 #define align_eq(x, y, k) (!(((x) ^ (y)) >> k))