[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>
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@ -33,6 +33,7 @@ extern const char linux_banner[];
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#define ALIGN(x,a) (((x)+(a)-1UL)&~((a)-1UL))
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#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
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#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
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#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
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#define KERN_EMERG "<0>" /* system is unusable */
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