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rcu: Expand SRCU ->completed to 64 bits

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When rcutorture used only the low-order 32 bits of the grace-period
number, it was not a problem for SRCU to use a 32-bit completed field.
However, rcutorture now uses the full 64 bits on 64-bit systems, so
this commit converts SRCU's ->completed field to unsigned long so as to
provide 64 bits on 64-bit systems.

Signed-off-by: Paul E. McKenney <[email protected]>
This commit is contained in:
Paul E. McKenney 2014-11-23 20:30:06 -08:00
commit a5c198f4f7
2 changed files with 3 additions and 3 deletions
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2
kernel/rcu/srcu.c
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@ -546,7 +546,7 @@ EXPORT_SYMBOL_GPL(srcu_barrier);
* Report the number of batches, correlated with, but not necessarily
* precisely the same as, the number of grace periods that have elapsed.
*/
long srcu_batches_completed(struct srcu_struct *sp)
unsigned long srcu_batches_completed(struct srcu_struct *sp)
{
return sp->completed;
}