1aa0eab86SKarolina Drobnik /* SPDX-License-Identifier: GPL-2.0 */
2aa0eab86SKarolina Drobnik #ifndef _TOOLS_SLAB_H
3aa0eab86SKarolina Drobnik #define _TOOLS_SLAB_H
4aa0eab86SKarolina Drobnik
5aa0eab86SKarolina Drobnik #include <linux/types.h>
6aa0eab86SKarolina Drobnik #include <linux/gfp.h>
7aa0eab86SKarolina Drobnik
8aa0eab86SKarolina Drobnik #define SLAB_PANIC 2
9aa0eab86SKarolina Drobnik #define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */
10aa0eab86SKarolina Drobnik
11aa0eab86SKarolina Drobnik #define kzalloc_node(size, flags, node) kmalloc(size, flags)
12aa0eab86SKarolina Drobnik
13aa0eab86SKarolina Drobnik void *kmalloc(size_t size, gfp_t gfp);
14aa0eab86SKarolina Drobnik void kfree(void *p);
15*4164e152SWei Yang void *kmalloc_array(size_t n, size_t size, gfp_t gfp);
16aa0eab86SKarolina Drobnik
1716802e55SKarolina Drobnik bool slab_is_available(void);
1816802e55SKarolina Drobnik
1916802e55SKarolina Drobnik enum slab_state {
2016802e55SKarolina Drobnik DOWN,
2116802e55SKarolina Drobnik PARTIAL,
2216802e55SKarolina Drobnik UP,
2316802e55SKarolina Drobnik FULL
2416802e55SKarolina Drobnik };
2516802e55SKarolina Drobnik
kzalloc(size_t size,gfp_t gfp)26aa0eab86SKarolina Drobnik static inline void *kzalloc(size_t size, gfp_t gfp)
27aa0eab86SKarolina Drobnik {
28aa0eab86SKarolina Drobnik return kmalloc(size, gfp | __GFP_ZERO);
29aa0eab86SKarolina Drobnik }
30aa0eab86SKarolina Drobnik
31b9663a6fSMatthew Wilcox (Oracle) struct list_lru;
32b9663a6fSMatthew Wilcox (Oracle)
33b9663a6fSMatthew Wilcox (Oracle) void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *, int flags);
kmem_cache_alloc(struct kmem_cache * cachep,int flags)34b9663a6fSMatthew Wilcox (Oracle) static inline void *kmem_cache_alloc(struct kmem_cache *cachep, int flags)
35b9663a6fSMatthew Wilcox (Oracle) {
36b9663a6fSMatthew Wilcox (Oracle) return kmem_cache_alloc_lru(cachep, NULL, flags);
37b9663a6fSMatthew Wilcox (Oracle) }
38aa0eab86SKarolina Drobnik void kmem_cache_free(struct kmem_cache *cachep, void *objp);
39aa0eab86SKarolina Drobnik
40aa0eab86SKarolina Drobnik struct kmem_cache *kmem_cache_create(const char *name, unsigned int size,
41aa0eab86SKarolina Drobnik unsigned int align, unsigned int flags,
42aa0eab86SKarolina Drobnik void (*ctor)(void *));
43aa0eab86SKarolina Drobnik
44cc86e0c2SLiam R. Howlett void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t size, void **list);
45cc86e0c2SLiam R. Howlett int kmem_cache_alloc_bulk(struct kmem_cache *cachep, gfp_t gfp, size_t size,
46cc86e0c2SLiam R. Howlett void **list);
47cc86e0c2SLiam R. Howlett
48aa0eab86SKarolina Drobnik #endif /* _TOOLS_SLAB_H */
49