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1 | /* |
2 | * Copyright (c) 2008 Silicon Graphics, Inc. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it would be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | #ifndef __KMEM_H__ | |
19 | #define __KMEM_H__ | |
20 | ||
21 | #define KM_SLEEP 0x0001u | |
22 | #define KM_NOSLEEP 0x0002u | |
23 | #define KM_NOFS 0x0004u | |
24 | #define KM_MAYFAIL 0x0008u | |
25 | #define KM_LARGE 0x0010u | |
26 | ||
27 | typedef struct kmem_zone { | |
28 | int zone_unitsize; /* Size in bytes of zone unit */ | |
29 | char *zone_name; /* tag name */ | |
30 | int allocated; /* debug: How many currently allocated */ | |
31 | } kmem_zone_t; | |
32 | ||
33 | extern kmem_zone_t *kmem_zone_init(int, char *); | |
34 | extern void *kmem_zone_alloc(kmem_zone_t *, int); | |
35 | extern void *kmem_zone_zalloc(kmem_zone_t *, int); | |
36 | ||
37 | static inline void | |
38 | kmem_zone_free(kmem_zone_t *zone, void *ptr) | |
39 | { | |
40 | zone->allocated--; | |
41 | free(ptr); | |
42 | } | |
43 | ||
44 | extern void *kmem_alloc(size_t, int); | |
45 | extern void *kmem_zalloc(size_t, int); | |
46 | ||
f8149110 | 47 | static inline void |
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48 | kmem_free(void *ptr) { |
49 | free(ptr); | |
50 | } | |
51 | ||
408c66dd | 52 | extern void *kmem_realloc(void *, size_t, int); |
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53 | |
54 | #endif |