1 /*- 2 * Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/malloc.h> 32 #include <vm/vm.h> 33 #include <vm/vm_param.h> 34 #include <vm/vm_page.h> 35 #include <vm/vm_phys.h> 36 #include <vm/vm_dumpset.h> 37 #include <vm/uma.h> 38 #include <vm/uma_int.h> 39 40 void * 41 uma_small_alloc(uma_zone_t zone, vm_size_t bytes, int domain, u_int8_t *flags, 42 int wait) 43 { 44 vm_page_t m; 45 vm_paddr_t pa; 46 void *va; 47 48 *flags = UMA_SLAB_PRIV; 49 m = vm_page_alloc_noobj_domain(domain, malloc2vm_flags(wait) | 50 VM_ALLOC_WIRED); 51 if (m == NULL) 52 return (NULL); 53 pa = m->phys_addr; 54 if ((wait & M_NODUMP) == 0) 55 dump_add_page(pa); 56 va = (void *)PHYS_TO_DMAP(pa); 57 return (va); 58 } 59 60 void 61 uma_small_free(void *mem, vm_size_t size, u_int8_t flags) 62 { 63 vm_page_t m; 64 vm_paddr_t pa; 65 66 pa = DMAP_TO_PHYS((vm_offset_t)mem); 67 dump_drop_page(pa); 68 m = PHYS_TO_VM_PAGE(pa); 69 vm_page_unwire_noq(m); 70 vm_page_free(m); 71 } 72