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idr: __rcu annotations

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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Arnd Bergmann 2010-02-26 14:53:26 +01:00 • committed by Paul E. McKenney
commit d2c2486bc8
1 changed files with 2 additions and 2 deletions
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4
include/linux/idr.h
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@ -50,14 +50,14 @@
struct idr_layer { struct idr_layer {
unsigned long bitmap; /* A zero bit means "space here" */ unsigned long bitmap; /* A zero bit means "space here" */
struct idr_layer *ary[1<<IDR_BITS]; struct idr_layer __rcu *ary[1<<IDR_BITS];
int count; /* When zero, we can release it */ int count; /* When zero, we can release it */
int layer; /* distance from leaf */ int layer; /* distance from leaf */
struct rcu_head rcu_head; struct rcu_head rcu_head;
}; };
struct idr { struct idr {
struct idr_layer *top; struct idr_layer __rcu *top;
struct idr_layer *id_free; struct idr_layer *id_free;
int layers; /* only valid without concurrent changes */ int layers; /* only valid without concurrent changes */
int id_free_cnt; int id_free_cnt;