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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-12-13 09:12:51 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-12-13 09:12:51 +0000
commit72aaf09fda49f5919d98d65d35e5179f3acb0497 (patch)
tree5fd25748f7f5640f8ee8efb86ddca88d12840791 /include/linux/idr.h
parent67fbc2312312095acc2f19a0b601bac10f84cf9d (diff)
parent58c2467355ed3154a12ee49d8f8236547145c9d3 (diff)
downloadop-kernel-dev-72aaf09fda49f5919d98d65d35e5179f3acb0497.zip
op-kernel-dev-72aaf09fda49f5919d98d65d35e5179f3acb0497.tar.gz
Merge git://git.marvell.com/orion into devel
Diffstat (limited to 'include/linux/idr.h')
-rw-r--r--include/linux/idr.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index fa035f9..dd846df 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -52,13 +52,14 @@ struct idr_layer {
unsigned long bitmap; /* A zero bit means "space here" */
struct idr_layer *ary[1<<IDR_BITS];
int count; /* When zero, we can release it */
+ int layer; /* distance from leaf */
struct rcu_head rcu_head;
};
struct idr {
struct idr_layer *top;
struct idr_layer *id_free;
- int layers;
+ int layers; /* only valid without concurrent changes */
int id_free_cnt;
spinlock_t lock;
};
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