1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _TOOLS_SLAB_H 3 #define _TOOLS_SLAB_H 4 5 #include <linux/types.h> 6 #include <linux/gfp.h> 7 8 #define SLAB_PANIC 2 9 #define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */ 10 11 #define kzalloc_node(size, flags, node) kmalloc(size, flags) 12 13 void *kmalloc(size_t size, gfp_t gfp); 14 void kfree(void *p); 15 16 bool slab_is_available(void); 17 18 enum slab_state { 19 DOWN, 20 PARTIAL, 21 PARTIAL_NODE, 22 UP, 23 FULL 24 }; 25 26 static inline void *kzalloc(size_t size, gfp_t gfp) 27 { 28 return kmalloc(size, gfp | __GFP_ZERO); 29 } 30 31 struct list_lru; 32 33 void *kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *, int flags); 34 static inline void *kmem_cache_alloc(struct kmem_cache *cachep, int flags) 35 { 36 return kmem_cache_alloc_lru(cachep, NULL, flags); 37 } 38 void kmem_cache_free(struct kmem_cache *cachep, void *objp); 39 40 struct kmem_cache *kmem_cache_create(const char *name, unsigned int size, 41 unsigned int align, unsigned int flags, 42 void (*ctor)(void *)); 43 44 void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t size, void **list); 45 int kmem_cache_alloc_bulk(struct kmem_cache *cachep, gfp_t gfp, size_t size, 46 void **list); 47 48 #endif /* _TOOLS_SLAB_H */ 49