diff options
| -rw-r--r-- | include/linux/mm_types.h | 7 | ||||
| -rw-r--r-- | mm/slub.c | 24 |
2 files changed, 14 insertions, 17 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 31f8a3af7d9..2fef4e720e7 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -128,10 +128,7 @@ struct page { }; struct list_head list; /* slobs list of pages */ - struct { /* slab fields */ - struct kmem_cache *slab_cache; - struct slab *slab_page; - }; + struct slab *slab_page; /* slab fields */ }; /* Remainder is not double word aligned */ @@ -146,7 +143,7 @@ struct page { #if USE_SPLIT_PTLOCKS spinlock_t ptl; #endif - struct kmem_cache *slab; /* SLUB: Pointer to slab */ + struct kmem_cache *slab_cache; /* SL[AU]B: Pointer to slab */ struct page *first_page; /* Compound tail pages */ }; diff --git a/mm/slub.c b/mm/slub.c index 16274b273c6..35483e0ab6b 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1092,11 +1092,11 @@ static noinline struct kmem_cache_node *free_debug_processing( if (!check_object(s, page, object, SLUB_RED_ACTIVE)) goto out; - if (unlikely(s != page->slab)) { + if (unlikely(s != page->slab_cache)) { if (!PageSlab(page)) { slab_err(s, page, "Attempt to free object(0x%p) " "outside of slab", object); - } else if (!page->slab) { + } else if (!page->slab_cache) { printk(KERN_ERR "SLUB <none>: no slab for object 0x%p.\n", object); @@ -1357,7 +1357,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node) goto out; inc_slabs_node(s, page_to_nid(page), page->objects); - page->slab = s; + page->slab_cache = s; __SetPageSlab(page); if (page->pfmemalloc) SetPageSlabPfmemalloc(page); @@ -1424,7 +1424,7 @@ static void rcu_free_slab(struct rcu_head *h) else page = container_of((struct list_head *)h, struct page, lru); - __free_slab(page->slab, page); + __free_slab(page->slab_cache, page); } static void free_slab(struct kmem_cache *s, struct page *page) @@ -2617,9 +2617,9 @@ void kmem_cache_free(struct kmem_cache *s, void *x) page = virt_to_head_page(x); - if (kmem_cache_debug(s) && page->slab != s) { + if (kmem_cache_debug(s) && page->slab_cache != s) { pr_err("kmem_cache_free: Wrong slab cache. %s but object" - " is from %s\n", page->slab->name, s->name); + " is from %s\n", page->slab_cache->name, s->name); WARN_ON_ONCE(1); return; } @@ -3418,7 +3418,7 @@ size_t ksize(const void *object) return PAGE_SIZE << compound_order(page); } - return slab_ksize(page->slab); + return slab_ksize(page->slab_cache); } EXPORT_SYMBOL(ksize); @@ -3443,8 +3443,8 @@ bool verify_mem_not_deleted(const void *x) } slab_lock(page); - if (on_freelist(page->slab, page, object)) { - object_err(page->slab, page, object, "Object is on free-list"); + if (on_freelist(page->slab_cache, page, object)) { + object_err(page->slab_cache, page, object, "Object is on free-list"); rv = false; } else { rv = true; @@ -3475,7 +3475,7 @@ void kfree(const void *x) __free_pages(page, compound_order(page)); return; } - slab_free(page->slab, page, object, _RET_IP_); + slab_free(page->slab_cache, page, object, _RET_IP_); } EXPORT_SYMBOL(kfree); @@ -3686,11 +3686,11 @@ static void __init kmem_cache_bootstrap_fixup(struct kmem_cache *s) if (n) { list_for_each_entry(p, &n->partial, lru) - p->slab = s; + p->slab_cache = s; #ifdef CONFIG_SLUB_DEBUG list_for_each_entry(p, &n->full, lru) - p->slab = s; + p->slab_cache = s; #endif } } |