include/kmem.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2008 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6 #ifndef __KMEM_H__
   7 #define __KMEM_H__
   8
   9 #define KM_NOFS         0x0004u
  10 #define KM_MAYFAIL      0x0008u
  11 #define KM_LARGE        0x0010u
  12
  13 typedef struct kmem_zone {
  14         int     zone_unitsize;  /* Size in bytes of zone unit           */
  15         char    *zone_name;     /* tag name                             */
  16         int     allocated;      /* debug: How many currently allocated  */
  17 } kmem_zone_t;
  18
  19 extern kmem_zone_t *kmem_zone_init(int, char *);
  20 extern void     *kmem_zone_alloc(kmem_zone_t *, int);
  21 extern void     *kmem_zone_zalloc(kmem_zone_t *, int);
  22 extern int      kmem_zone_destroy(kmem_zone_t *);
  23
  24 static inline void
  25 kmem_zone_free(kmem_zone_t *zone, void *ptr)
  26 {
  27         zone->allocated--;
  28         free(ptr);
  29 }
  30
  31 extern void     *kmem_alloc(size_t, int);
  32 extern void     *kmem_alloc_large(size_t, int);
  33 extern void     *kmem_zalloc(size_t, int);
  34
  35 static inline void
  36 kmem_free(void *ptr) {
  37         free(ptr);
  38 }
  39
  40 extern void     *kmem_realloc(void *, size_t, int);
  41
  42 #endif