| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2008 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| */ |
| #ifndef __KMEM_H__ |
| #define __KMEM_H__ |
| |
| #define KM_NOFS 0x0004u |
| #define KM_MAYFAIL 0x0008u |
| #define KM_LARGE 0x0010u |
| #define KM_NOLOCKDEP 0x0020u |
| |
| struct kmem_cache { |
| int cache_unitsize; /* Size in bytes of cache unit */ |
| int allocated; /* debug: How many allocated? */ |
| unsigned int align; |
| const char *cache_name; /* tag name */ |
| void (*ctor)(void *); |
| }; |
| |
| typedef unsigned int __bitwise gfp_t; |
| |
| #define GFP_KERNEL ((__force gfp_t)0) |
| #define GFP_NOFS ((__force gfp_t)0) |
| #define __GFP_NOFAIL ((__force gfp_t)0) |
| #define __GFP_NOLOCKDEP ((__force gfp_t)0) |
| |
| #define __GFP_ZERO (__force gfp_t)1 |
| |
| struct kmem_cache * kmem_cache_create(const char *name, unsigned int size, |
| unsigned int align, unsigned int slab_flags, |
| void (*ctor)(void *)); |
| |
| static inline struct kmem_cache * |
| kmem_cache_init(unsigned int size, const char *name) |
| { |
| return kmem_cache_create(name, size, 0, 0, NULL); |
| } |
| |
| extern void *kmem_cache_alloc(struct kmem_cache *, gfp_t); |
| extern void *kmem_cache_zalloc(struct kmem_cache *, gfp_t); |
| extern int kmem_cache_destroy(struct kmem_cache *); |
| |
| static inline void |
| kmem_cache_free(struct kmem_cache *cache, void *ptr) |
| { |
| cache->allocated--; |
| free(ptr); |
| } |
| |
| extern void *kmem_alloc(size_t, int); |
| extern void *kvmalloc(size_t, gfp_t); |
| extern void *kmem_zalloc(size_t, int); |
| |
| static inline void |
| kmem_free(const void *ptr) { |
| free((void *)ptr); |
| } |
| |
| extern void *krealloc(void *, size_t, int); |
| |
| static inline void *kmalloc(size_t size, gfp_t flags) |
| { |
| return kvmalloc(size, flags); |
| } |
| |
| static inline void kfree(const void *ptr) |
| { |
| return kmem_free(ptr); |
| } |
| |
| #endif |