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- /*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2005,
- * Bosko Milekic <bmilekic@FreeBSD.org>. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice unmodified, this list of conditions, and the following
- * disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
- */
- #ifndef _VM_MEMGUARD_H_
- #define _VM_MEMGUARD_H_
- #include "opt_vm.h"
- struct malloc_type;
- struct vm_map;
- struct vmem;
- #ifdef DEBUG_MEMGUARD
- unsigned long memguard_fudge(unsigned long, const struct vm_map *);
- void memguard_init(struct vmem *);
- void *memguard_alloc(unsigned long, int);
- void *memguard_realloc(void *, unsigned long, struct malloc_type *, int);
- void memguard_free(void *);
- unsigned long memguard_get_req_size(const void *);
- int memguard_cmp_mtp(struct malloc_type *, unsigned long);
- int memguard_cmp_zone(uma_zone_t);
- int is_memguard_addr(void *);
- #else
- #define memguard_fudge(size, xxx) (size)
- #define memguard_init(map) do { } while (0)
- #define memguard_alloc(size, flags) NULL
- #define memguard_realloc(a, s, mtp, f) NULL
- #define memguard_free(addr) do { } while (0)
- #define memguard_get_req_size(addr) 0
- #define memguard_cmp_mtp(mtp, size) 0
- #define memguard_cmp_zone(zone) 0
- #define is_memguard_addr(addr) 0
- #endif
- #endif /* _VM_MEMGUARD_H_ */
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