/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu>
* 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/systm.h>
#include <sys/vmmeter.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/vm_page.h>
#include <vm/vm_pageout.h>
#include <vm/vm_dumpset.h>
#include <vm/uma.h>
#include <vm/uma_int.h>
#include <machine/md_var.h>
void *
uma_small_alloc(uma_zone_t zone, vm_size_t bytes, int domain, u_int8_t *flags,
int wait)
{
vm_page_t m;
vm_paddr_t pa;
void *va;
*flags = UMA_SLAB_PRIV;
m = vm_page_alloc_domain(NULL, 0, domain,
malloc2vm_flags(wait) | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED);
if (m == NULL)
return (NULL);
pa = m->phys_addr;
if ((wait & M_NODUMP) == 0)
dump_add_page(pa);
va = (void *)PHYS_TO_DMAP(pa);
if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0)
pagezero(va);
return (va);
}
void
uma_small_free(void *mem, vm_size_t size, u_int8_t flags)
{
vm_page_t m;
vm_paddr_t pa;
pa = DMAP_TO_PHYS((vm_offset_t)mem);
dump_drop_page(pa);
m = PHYS_TO_VM_PAGE(pa);
vm_page_unwire_noq(m);
vm_page_free(m);
}
