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| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-09-25 23:32:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 08:48:58 -0700 |
| commit | 930631edd4b1fe2781d9fe90edbe35d89dfc94cc (patch) | |
| tree | 24341082c9043742e45f7865f54ad3223e2fd89e /include/linux/kernel.h | |
| parent | 060ec3d52db417a4fa554b6e14594ca62418c326 (diff) | |
| download | op-kernel-dev-930631edd4b1fe2781d9fe90edbe35d89dfc94cc.zip op-kernel-dev-930631edd4b1fe2781d9fe90edbe35d89dfc94cc.tar.gz | |
[PATCH] add DIV_ROUND_UP()
Add the DIV_ROUND_UP() helper macro: divide `n' by `d', rounding up.
Stolen from the gfs2 tree(!) because the swsusp patches need it.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 2b2ae4f..e44a37e 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -33,6 +33,7 @@ extern const char linux_banner[]; #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #define ALIGN(x,a) (((x)+(a)-1UL)&~((a)-1UL)) #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 */ |
