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Diffstat (limited to 'include/linux/slub_def.h')
-rw-r--r--include/linux/slub_def.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 79d59c937fac..4131e5fbd18b 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -53,6 +53,15 @@ struct kmem_cache_node {
};
/*
+ * Word size structure that can be atomically updated or read and that
+ * contains both the order and the number of objects that a slab of the
+ * given order would contain.
+ */
+struct kmem_cache_order_objects {
+ unsigned long x;
+};
+
+/*
* Slab cache management.
*/
struct kmem_cache {
@@ -61,7 +70,7 @@ struct kmem_cache {
int size; /* The size of an object including meta data */
int objsize; /* The size of an object without meta data */
int offset; /* Free pointer offset. */
- int order; /* Current preferred allocation order */
+ struct kmem_cache_order_objects oo;
/*
* Avoid an extra cache line for UP, SMP and for the node local to
@@ -70,7 +79,6 @@ struct kmem_cache {
struct kmem_cache_node local_node;
/* Allocation and freeing of slabs */
- int objects; /* Number of objects in slab */
gfp_t allocflags; /* gfp flags to use on each alloc */
int refcount; /* Refcount for slab cache destroy */
void (*ctor)(struct kmem_cache *, void *);