Commit 074e61ec authored by James Morris's avatar James Morris
Browse files

kernel: add roundup() code comment from akpm 



Add roundup() code comment from akpm.

Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
parent f6614b7b

include/linux/kernel.h

+2 −0
Original line number Diff line number Diff line
@@ -58,6 +58,8 @@ extern const char linux_proc_banner[]; 


#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))

#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))



/* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */

#define roundup(x, y) (					\

{							\

	const typeof(y) __y = y;			\