| // 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 |
| |
| typedef struct kmem_zone { |
| int zone_unitsize; /* Size in bytes of zone unit */ |
| char *zone_name; /* tag name */ |
| int allocated; /* debug: How many currently allocated */ |
| } kmem_zone_t; |
| |
| 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_ZERO (__force gfp_t)1 |
| |
| extern kmem_zone_t *kmem_zone_init(int, char *); |
| extern void *kmem_cache_alloc(kmem_zone_t *, gfp_t); |
| extern void *kmem_cache_zalloc(kmem_zone_t *, gfp_t); |
| extern int kmem_zone_destroy(kmem_zone_t *); |
| |
| static inline void |
| kmem_cache_free(kmem_zone_t *zone, void *ptr) |
| { |
| zone->allocated--; |
| free(ptr); |
| } |
| |
| extern void *kmem_alloc(size_t, int); |
| extern void *kmem_alloc_large(size_t, int); |
| extern void *kmem_zalloc(size_t, int); |
| |
| static inline void |
| kmem_free(void *ptr) { |
| free(ptr); |
| } |
| |
| extern void *kmem_realloc(void *, size_t, int); |
| |
| #endif |