The patch titled
drivers/misc: Use DIV_ROUND_UP
has been added to the -mm tree. Its filename is
drivers-misc-use-div_round_up.patch
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------------------------------------------------------
Subject: drivers/misc: Use DIV_ROUND_UP
From: Julia Lawall <julia@xxxxxxx>
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@xxxxxxx>
Cc: Jack Steiner <steiner@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/misc/sgi-gru/grukservices.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/misc/sgi-gru/grukservices.c~drivers-misc-use-div_round_up drivers/misc/sgi-gru/grukservices.c
--- a/drivers/misc/sgi-gru/grukservices.c~drivers-misc-use-div_round_up
+++ a/drivers/misc/sgi-gru/grukservices.c
@@ -466,7 +466,7 @@ int gru_send_message_gpa(unsigned long m
STAT(mesq_send);
BUG_ON(bytes < sizeof(int) || bytes > 2 * GRU_CACHE_LINE_BYTES);
- clines = (bytes + GRU_CACHE_LINE_BYTES - 1) / GRU_CACHE_LINE_BYTES;
+ clines = DIV_ROUND_UP(bytes, GRU_CACHE_LINE_BYTES);
if (gru_get_cpu_resources(bytes, &cb, &dsr))
return MQE_BUG_NO_RESOURCES;
memcpy(dsr, mesg, bytes);
_
Patches currently in -mm which might be from julia@xxxxxxx are
linux-next.patch
drivers-isdn-capi-kcapic-adjust-error-handling-code-involving-capi_ctr_put.patch
net-ieee80211-adjust-error-handling.patch
drivers-atm-use-div_round_up.patch
drivers-block-use-div_round_up.patch
drivers-media-video-use-div_round_up.patch
drivers-misc-use-div_round_up.patch
drivers-net-wan-use-div_round_up.patch
drivers-scsi-use-div_round_up.patch
drivers-scsi-megaraid-use-div_round_up.patch
drivers-net-xen-netfrontc-use-div_round_up.patch
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