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Date: Fri, 13 Apr 2007 02:01:13 +0530 From: Milind Arun Choudhary <milindchoudhary@...il.com> To: kernel-janitors@...ts.osdl.org, linux-ia64@...r.kernel.org, discuss@...-64.org Cc: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, tony.luck@...el.com, ak@...e.de Subject: [KJ][PATCH 01/03]ROUND_UP|DOWN macro cleanup in arch/ia64,x86_64 Add ALIGN_DOWN and round_down macros to kernel.h Signed-off-by: Milind Arun Choudhary <milindchoudhary@...il.com> --- kernel.h | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 9ddf25c..f8648b2 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -34,11 +34,13 @@ extern const char linux_proc_banner[]; #define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1) #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) +#define ALIGN_DOWN(x,a) ((x)&~((typeof(x))(a)-1)) +#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) +#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) +#define round_down(x, y) (((x) / (y)) * (y)) #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) -#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) -#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) #define KERN_EMERG "<0>" /* system is unusable */ #define KERN_ALERT "<1>" /* action must be taken immediately */ -- Milind Arun Choudhary - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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