4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
29 #pragma ident "%Z%%M% %I% %E% SMI"
40 extern void vmem_startup(void);
41 extern vmem_t *vmem_init(const char *parent_name, size_t parent_quantum,
42 vmem_alloc_t *parent_alloc, vmem_free_t *parent_free,
43 const char *heap_name,
44 void *heap_start, size_t heap_size, size_t heap_quantum,
45 vmem_alloc_t *heap_alloc, vmem_free_t *heap_free);
47 extern void *_vmem_extend_alloc(vmem_t *vmp, void *vaddr, size_t size,
48 size_t alloc, int vmflag);
50 extern vmem_t *vmem_heap_arena(vmem_alloc_t **, vmem_free_t **);
51 extern void vmem_heap_init(void);
53 extern vmem_t *vmem_sbrk_arena(vmem_alloc_t **, vmem_free_t **);
54 extern vmem_t *vmem_mmap_arena(vmem_alloc_t **, vmem_free_t **);
55 extern vmem_t *vmem_stand_arena(vmem_alloc_t **, vmem_free_t **);
57 extern void vmem_update(void *);
58 extern void vmem_reap(void); /* vmem_populate()-safe reap */
60 extern size_t pagesize;
61 extern size_t vmem_sbrk_pagesize;
62 extern size_t vmem_sbrk_minalloc;
64 extern uint_t vmem_backend;
65 #define VMEM_BACKEND_SBRK 0x0000001
66 #define VMEM_BACKEND_MMAP 0x0000002
67 #define VMEM_BACKEND_STAND 0x0000003
69 extern vmem_t *vmem_heap;
70 extern vmem_alloc_t *vmem_heap_alloc;
71 extern vmem_free_t *vmem_heap_free;
73 extern void vmem_lockup(void);
74 extern void vmem_release(void);
76 extern void vmem_sbrk_lockup(void);
77 extern void vmem_sbrk_release(void);
79 extern void vmem_no_debug(void);
85 #endif /* _VMEM_BASE_H */