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authorIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
committerIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
commitbefddb21c845f8fb49e637997891ef97c6a869dc (patch)
tree0e7629123184f2dd50291ad6d477b894175f0f26 /include/linux/cpu_rmap.h
parentgenirq: Avoid deadlock in spurious handling (diff)
parentLinux 3.8-rc4 (diff)
Merge tag 'v3.8-rc4' into irq/core
Merge Linux 3.8-rc4 before pulling in new commits - we were on an old v3.7 base. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/cpu_rmap.h')
-rw-r--r--include/linux/cpu_rmap.h13
1 files changed, 4 insertions, 9 deletions
diff --git a/include/linux/cpu_rmap.h b/include/linux/cpu_rmap.h
index ac3bbb5b9502..1739510d8994 100644
--- a/include/linux/cpu_rmap.h
+++ b/include/linux/cpu_rmap.h
@@ -13,9 +13,11 @@
#include <linux/cpumask.h>
#include <linux/gfp.h>
#include <linux/slab.h>
+#include <linux/kref.h>
/**
* struct cpu_rmap - CPU affinity reverse-map
+ * @refcount: kref for object
* @size: Number of objects to be reverse-mapped
* @used: Number of objects added
* @obj: Pointer to array of object pointers
@@ -23,6 +25,7 @@
* based on affinity masks
*/
struct cpu_rmap {
+ struct kref refcount;
u16 size, used;
void **obj;
struct {
@@ -33,15 +36,7 @@ struct cpu_rmap {
#define CPU_RMAP_DIST_INF 0xffff
extern struct cpu_rmap *alloc_cpu_rmap(unsigned int size, gfp_t flags);
-
-/**
- * free_cpu_rmap - free CPU affinity reverse-map
- * @rmap: Reverse-map allocated with alloc_cpu_rmap(), or %NULL
- */
-static inline void free_cpu_rmap(struct cpu_rmap *rmap)
-{
- kfree(rmap);
-}
+extern int cpu_rmap_put(struct cpu_rmap *rmap);
extern int cpu_rmap_add(struct cpu_rmap *rmap, void *obj);
extern int cpu_rmap_update(struct cpu_rmap *rmap, u16 index,