slab: Common definition for kmem_cache_node
Put the definitions for the kmem_cache_node structures together so that
we have one structure. That will allow us to create more common fields in
the future which could yield more opportunities to share code.
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 16341e5..027276f 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -53,17 +53,6 @@
#endif
};
-struct kmem_cache_node {
- spinlock_t list_lock; /* Protect partial list and nr_partial */
- unsigned long nr_partial;
- struct list_head partial;
-#ifdef CONFIG_SLUB_DEBUG
- atomic_long_t nr_slabs;
- atomic_long_t total_objects;
- struct list_head full;
-#endif
-};
-
/*
* 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
diff --git a/mm/slab.c b/mm/slab.c
index c162b2e..17f8596 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -286,23 +286,6 @@
};
/*
- * The slab lists for all objects.
- */
-struct kmem_cache_node {
- struct list_head slabs_partial; /* partial list first, better asm code */
- struct list_head slabs_full;
- struct list_head slabs_free;
- unsigned long free_objects;
- unsigned int free_limit;
- unsigned int colour_next; /* Per-node cache coloring */
- spinlock_t list_lock;
- struct array_cache *shared; /* shared per node */
- struct array_cache **alien; /* on other nodes */
- unsigned long next_reap; /* updated without locking */
- int free_touched; /* updated without locking */
-};
-
-/*
* Need this for bootstrapping a per node allocator.
*/
#define NUM_INIT_LISTS (3 * MAX_NUMNODES)
diff --git a/mm/slab.h b/mm/slab.h
index f0a552f..f96b49e 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -239,3 +239,35 @@
return s;
}
#endif
+
+
+/*
+ * The slab lists for all objects.
+ */
+struct kmem_cache_node {
+ spinlock_t list_lock;
+
+#ifdef CONFIG_SLAB
+ struct list_head slabs_partial; /* partial list first, better asm code */
+ struct list_head slabs_full;
+ struct list_head slabs_free;
+ unsigned long free_objects;
+ unsigned int free_limit;
+ unsigned int colour_next; /* Per-node cache coloring */
+ struct array_cache *shared; /* shared per node */
+ struct array_cache **alien; /* on other nodes */
+ unsigned long next_reap; /* updated without locking */
+ int free_touched; /* updated without locking */
+#endif
+
+#ifdef CONFIG_SLUB
+ unsigned long nr_partial;
+ struct list_head partial;
+#ifdef CONFIG_SLUB_DEBUG
+ atomic_long_t nr_slabs;
+ atomic_long_t total_objects;
+ struct list_head full;
+#endif
+#endif
+
+};