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radix-tree: __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: Nick Piggin <npiggin@suse.de>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Arnd Bergmann 2010-02-25 23:43:52 +01:00 committed by Paul E. McKenney
parent 374a8e0dc3
commit a1115570b3
2 changed files with 4 additions and 2 deletions
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4
include/linux/radix-tree.h
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@ -47,6 +47,8 @@ static inline void *radix_tree_indirect_to_ptr(void *ptr)
{
return (void *)((unsigned long)ptr & ~RADIX_TREE_INDIRECT_PTR);
}
#define radix_tree_indirect_to_ptr(ptr) \
radix_tree_indirect_to_ptr((void __force *)(ptr))
static inline int radix_tree_is_indirect_ptr(void *ptr)
{
@ -61,7 +63,7 @@ static inline int radix_tree_is_indirect_ptr(void *ptr)
struct radix_tree_root {
unsigned int height;
gfp_t gfp_mask;
struct radix_tree_node *rnode;
struct radix_tree_node __rcu *rnode;
};
#define RADIX_TREE_INIT(mask) { \

2
lib/radix-tree.c
View File

@ -49,7 +49,7 @@ struct radix_tree_node {
unsigned int height; /* Height from the bottom */
unsigned int count;
struct rcu_head rcu_head;
void *slots[RADIX_TREE_MAP_SIZE];
void __rcu *slots[RADIX_TREE_MAP_SIZE];
unsigned long tags[RADIX_TREE_MAX_TAGS][RADIX_TREE_TAG_LONGS];
};