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    • J
      drivers/atm: Use DIV_ROUND_UP · 6a19309d
      Julia Lawall 提交于
      The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /
      (d)) but is perhaps more readable.
      
      In the case of the file drivers/atm/eni.c, I am a little bit suspicious of
      the -1 at the end of the affected expression.  Please check that that is
      what is wanted.
      
      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: NJulia Lawall <julia@diku.dk>
      Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      6a19309d
  8. 22 9月, 2008 1 次提交
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