1139790Simp/*- 2120294Smarcel * Copyright (c) 2003 The FreeBSD Project 3120294Smarcel * All rights reserved. 4120294Smarcel * 5120294Smarcel * Redistribution and use in source and binary forms, with or without 6120294Smarcel * modification, are permitted provided that the following conditions 7120294Smarcel * are met: 8120294Smarcel * 9120294Smarcel * 1. Redistributions of source code must retain the above copyright 10120294Smarcel * notice, this list of conditions and the following disclaimer. 11120294Smarcel * 2. Redistributions in binary form must reproduce the above copyright 12120294Smarcel * notice, this list of conditions and the following disclaimer in the 13120294Smarcel * documentation and/or other materials provided with the distribution. 14120294Smarcel * 15120294Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16120294Smarcel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17120294Smarcel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18120294Smarcel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19120294Smarcel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20120294Smarcel * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21120294Smarcel * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22120294Smarcel * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23120294Smarcel * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24120294Smarcel * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25120294Smarcel */ 26120294Smarcel 27120294Smarcel#include <sys/cdefs.h> 28120294Smarcel__FBSDID("$FreeBSD$"); 29120294Smarcel 30120294Smarcel#include <sys/param.h> 31120294Smarcel#include <sys/lock.h> 32243040Skib#include <sys/malloc.h> 33120294Smarcel#include <sys/mutex.h> 34120294Smarcel#include <sys/systm.h> 35120294Smarcel#include <vm/vm.h> 36120294Smarcel#include <vm/vm_page.h> 37120294Smarcel#include <vm/vm_pageout.h> 38120294Smarcel#include <vm/uma.h> 39120294Smarcel#include <vm/uma_int.h> 40120294Smarcel#include <machine/vmparam.h> 41120294Smarcel 42120294Smarcelvoid * 43287945Srstoneuma_small_alloc(uma_zone_t zone, vm_size_t bytes, u_int8_t *flags, int wait) 44120294Smarcel{ 45120294Smarcel void *va; 46120294Smarcel vm_page_t m; 47120294Smarcel int pflags; 48120294Smarcel 49120294Smarcel *flags = UMA_SLAB_PRIV; 50243040Skib pflags = malloc2vm_flags(wait) | VM_ALLOC_WIRED; 51120294Smarcel 52120294Smarcel for (;;) { 53228522Salc m = vm_page_alloc(NULL, 0, pflags | VM_ALLOC_NOOBJ); 54120294Smarcel if (m == NULL) { 55120294Smarcel if (wait & M_NOWAIT) 56120294Smarcel return (NULL); 57120294Smarcel VM_WAIT; 58120294Smarcel } else 59120294Smarcel break; 60120294Smarcel } 61120294Smarcel 62120294Smarcel va = (void *)IA64_PHYS_TO_RR7(VM_PAGE_TO_PHYS(m)); 63120294Smarcel if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0) 64120294Smarcel bzero(va, PAGE_SIZE); 65120294Smarcel return (va); 66120294Smarcel} 67120294Smarcel 68120294Smarcelvoid 69287945Srstoneuma_small_free(void *mem, vm_size_t size, u_int8_t flags) 70120294Smarcel{ 71120294Smarcel vm_page_t m; 72120294Smarcel 73120294Smarcel m = PHYS_TO_VM_PAGE(IA64_RR_MASK((u_int64_t)mem)); 74172189Salc m->wire_count--; 75120294Smarcel vm_page_free(m); 76172189Salc atomic_subtract_int(&cnt.v_wire_count, 1); 77120294Smarcel} 78