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rcu: repair code-duplication FIXMEs

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Combine the duplicate definitions of ULONG_CMP_GE(), ULONG_CMP_LT(),
and rcu_preempt_depth() into include/linux/rcupdate.h.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2010-08-13 16:16:25 -07:00
parent 53d84e004d
commit a3dc3fb161
5 changed files with 15 additions and 20 deletions
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4
kernel/rcutiny_plugin.h
View file

@ -26,10 +26,6 @@
#include <linux/delay.h>
/* FIXME: merge with definitions in kernel/rcutree.h. */
#define ULONG_CMP_GE(a, b) (ULONG_MAX / 2 >= (a) - (b))
#define ULONG_CMP_LT(a, b) (ULONG_MAX / 2 < (a) - (b))
/* Global control variables for preemptible RCU. */
struct rcu_preempt_ctrlblk {
struct rcu_ctrlblk rcb; /* curtail: ->next ptr of last CB for GP. */