Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH 5/6] FDPIC: Add coredump capability for the ELF-FDPIC binfmt [try #3] | Date | Fri, 07 Jul 2006 10:54:36 +0100 |
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Andrew Morton <akpm@osdl.org> wrote:
> > +#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) > > The GFS2 tree has > > ... > +#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
They aren't exactly equivalent.
In any case, we probably shouldn't be using divide, but should rather be using shifts since the divisors are powers of two. I wonder if the compiler will make the substitution...
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