net/mlx5e: Changed naming convention of tx queues in ethtool stats

[cascardo/linux.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 2e1355a..d8fbd4a 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1592,18 +1592,12 @@ static inline void add_partial(struct kmem_cache_node *n,
        __add_partial(n, page, tail);
 }
 
-static inline void
-__remove_partial(struct kmem_cache_node *n, struct page *page)
-{
-       list_del(&page->lru);
-       n->nr_partial--;
-}
-
 static inline void remove_partial(struct kmem_cache_node *n,
                                        struct page *page)
 {
        lockdep_assert_held(&n->list_lock);
-       __remove_partial(n, page);
+       list_del(&page->lru);
+       n->nr_partial--;
 }
 
 /*
@@ -3184,6 +3178,12 @@ static void free_kmem_cache_nodes(struct kmem_cache *s)
        }
 }
 
+void __kmem_cache_release(struct kmem_cache *s)
+{
+       free_percpu(s->cpu_slab);
+       free_kmem_cache_nodes(s);
+}
+
 static int init_kmem_cache_nodes(struct kmem_cache *s)
 {
        int node;
@@ -3443,28 +3443,31 @@ static void list_slab_objects(struct kmem_cache *s, struct page *page,
 
 /*
  * Attempt to free all partial slabs on a node.
- * This is called from kmem_cache_close(). We must be the last thread
- * using the cache and therefore we do not need to lock anymore.
+ * This is called from __kmem_cache_shutdown(). We must take list_lock
+ * because sysfs file might still access partial list after the shutdowning.
  */
 static void free_partial(struct kmem_cache *s, struct kmem_cache_node *n)
 {
        struct page *page, *h;
 
+       BUG_ON(irqs_disabled());
+       spin_lock_irq(&n->list_lock);
        list_for_each_entry_safe(page, h, &n->partial, lru) {
                if (!page->inuse) {
-                       __remove_partial(n, page);
+                       remove_partial(n, page);
                        discard_slab(s, page);
                } else {
                        list_slab_objects(s, page,
-                       "Objects remaining in %s on kmem_cache_close()");
+                       "Objects remaining in %s on __kmem_cache_shutdown()");
                }
        }
+       spin_unlock_irq(&n->list_lock);
 }
 
 /*
  * Release all resources used by a slab cache.
  */
-static inline int kmem_cache_close(struct kmem_cache *s)
+int __kmem_cache_shutdown(struct kmem_cache *s)
 {
        int node;
        struct kmem_cache_node *n;
@@ -3476,16 +3479,9 @@ static inline int kmem_cache_close(struct kmem_cache *s)
                if (n->nr_partial || slabs_node(s, node))
                        return 1;
        }
-       free_percpu(s->cpu_slab);
-       free_kmem_cache_nodes(s);
        return 0;
 }
 
-int __kmem_cache_shutdown(struct kmem_cache *s)
-{
-       return kmem_cache_close(s);
-}
-
 /********************************************************************
  *             Kmalloc subsystem
  *******************************************************************/
@@ -3980,7 +3976,7 @@ int __kmem_cache_create(struct kmem_cache *s, unsigned long flags)
        memcg_propagate_slab_attrs(s);
        err = sysfs_slab_add(s);
        if (err)
-               kmem_cache_close(s);
+               __kmem_cache_release(s);
 
        return err;
 }