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-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 @@
13#include <linux/cpumask.h> 13#include <linux/cpumask.h>
14#include <linux/gfp.h> 14#include <linux/gfp.h>
15#include <linux/slab.h> 15#include <linux/slab.h>
16#include <linux/kref.h>
16 17
17/** 18/**
18 * struct cpu_rmap - CPU affinity reverse-map 19 * struct cpu_rmap - CPU affinity reverse-map
20 * @refcount: kref for object
19 * @size: Number of objects to be reverse-mapped 21 * @size: Number of objects to be reverse-mapped
20 * @used: Number of objects added 22 * @used: Number of objects added
21 * @obj: Pointer to array of object pointers 23 * @obj: Pointer to array of object pointers
@@ -23,6 +25,7 @@
23 * based on affinity masks 25 * based on affinity masks
24 */ 26 */
25struct cpu_rmap { 27struct cpu_rmap {
28 struct kref refcount;
26 u16 size, used; 29 u16 size, used;
27 void **obj; 30 void **obj;
28 struct { 31 struct {
@@ -33,15 +36,7 @@ struct cpu_rmap {
33#define CPU_RMAP_DIST_INF 0xffff 36#define CPU_RMAP_DIST_INF 0xffff
34 37
35extern struct cpu_rmap *alloc_cpu_rmap(unsigned int size, gfp_t flags); 38extern struct cpu_rmap *alloc_cpu_rmap(unsigned int size, gfp_t flags);
36 39extern int cpu_rmap_put(struct cpu_rmap *rmap);
37/**
38 * free_cpu_rmap - free CPU affinity reverse-map
39 * @rmap: Reverse-map allocated with alloc_cpu_rmap(), or %NULL
40 */
41static inline void free_cpu_rmap(struct cpu_rmap *rmap)
42{
43 kfree(rmap);
44}
45 40
46extern int cpu_rmap_add(struct cpu_rmap *rmap, void *obj); 41extern int cpu_rmap_add(struct cpu_rmap *rmap, void *obj);
47extern int cpu_rmap_update(struct cpu_rmap *rmap, u16 index, 42extern int cpu_rmap_update(struct cpu_rmap *rmap, u16 index,