lkml.org 
[lkml]   [2008]   [Feb]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [PATCH 1/4] : More use DIV_ROUND_UP
    Date
    On Saturday 16 February 2008, Julia Lawall wrote:
    > From: Julia Lawall <julia@diku.dk>
    >
    > The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /
    > (d)) but is perhaps more readable.
    >
    > An extract of the semantic patch that makes this change is as follows:
    > (http://www.emn.fr/x-info/coccinelle/)
    >
    > // <smpl>
    > @haskernel@
    > @@
    >
    > #include <linux/kernel.h>
    >
    > @depends on haskernel@
    > expression n,d;
    > @@
    >
    > (
    > - (n + d - 1) / d
    > + DIV_ROUND_UP(n,d)
    > |
    > - (n + (d - 1)) / d
    > + DIV_ROUND_UP(n,d)
    > )
    >
    > @depends on haskernel@
    > expression n,d;
    > @@
    >
    > - DIV_ROUND_UP((n),d)
    > + DIV_ROUND_UP(n,d)
    >
    > @depends on haskernel@
    > expression n,d;
    > @@
    >
    > - DIV_ROUND_UP(n,(d))
    > + DIV_ROUND_UP(n,d)
    > // </smpl>
    >
    > Signed-off-by: Julia Lawall <julia@diku.dk>

    applied, thanks


    \
     
     \ /
      Last update: 2008-02-17 18:15    [W:0.043 / U:125.420 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site