From 074e61ec3751da9ab88ee66d3818574556c03489 Mon Sep 17 00:00:00 2001 From: James Morris Date: Wed, 10 Nov 2010 09:01:31 +1100 Subject: [PATCH] kernel: add roundup() code comment from akpm Add roundup() code comment from akpm. Signed-off-by: Andrew Morton Signed-off-by: James Morris --- include/linux/kernel.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index b526947bdf48..3f648d204c37 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -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; \ -- 2.20.1