2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
34 #include <sys/malloc.h>
35 #include <sys/mutex.h>
36 #include <sys/systm.h>
37 #include <sys/vmmeter.h>
39 #include <vm/vm_page.h>
40 #include <vm/vm_pageout.h>
42 #include <vm/uma_int.h>
43 #include <machine/md_var.h>
44 #include <machine/vmparam.h>
47 uma_small_alloc(uma_zone_t zone, vm_size_t bytes, int domain, u_int8_t *flags,
54 *flags = UMA_SLAB_PRIV;
55 m = vm_page_alloc_domain(NULL, 0, domain,
56 malloc2vm_flags(wait) | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED);
60 if ((wait & M_NODUMP) == 0)
62 va = (void *)PHYS_TO_DMAP(pa);
63 if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0)
69 uma_small_free(void *mem, vm_size_t size, u_int8_t flags)
74 pa = DMAP_TO_PHYS((vm_offset_t)mem);
76 m = PHYS_TO_VM_PAGE(pa);
77 vm_page_unwire_noq(m);