| kern_sharedpage.c (248084) | kern_sharedpage.c (254025) |
|---|---|
| 1/*- 2 * Copyright (c) 2010, 2012 Konstantin Belousov <kib@FreeBSD.org> 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 --- 11 unchanged lines hidden (view full) --- 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> | 1/*- 2 * Copyright (c) 2010, 2012 Konstantin Belousov <kib@FreeBSD.org> 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 --- 11 unchanged lines hidden (view full) --- 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: head/sys/kern/kern_sharedpage.c 248084 2013-03-09 02:32:23Z attilio $"); | 28__FBSDID("$FreeBSD: head/sys/kern/kern_sharedpage.c 254025 2013-08-07 06:21:20Z jeff $"); |
| 29 30#include "opt_compat.h" 31#include "opt_vm.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/lock.h> --- 70 unchanged lines hidden (view full) --- 107 sx_init(&shared_page_alloc_sx, "shpsx"); 108 shared_page_obj = vm_pager_allocate(OBJT_PHYS, 0, PAGE_SIZE, 109 VM_PROT_DEFAULT, 0, NULL); 110 VM_OBJECT_WLOCK(shared_page_obj); 111 m = vm_page_grab(shared_page_obj, 0, VM_ALLOC_RETRY | VM_ALLOC_NOBUSY | 112 VM_ALLOC_ZERO); 113 m->valid = VM_PAGE_BITS_ALL; 114 VM_OBJECT_WUNLOCK(shared_page_obj); | 29 30#include "opt_compat.h" 31#include "opt_vm.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/lock.h> --- 70 unchanged lines hidden (view full) --- 107 sx_init(&shared_page_alloc_sx, "shpsx"); 108 shared_page_obj = vm_pager_allocate(OBJT_PHYS, 0, PAGE_SIZE, 109 VM_PROT_DEFAULT, 0, NULL); 110 VM_OBJECT_WLOCK(shared_page_obj); 111 m = vm_page_grab(shared_page_obj, 0, VM_ALLOC_RETRY | VM_ALLOC_NOBUSY | 112 VM_ALLOC_ZERO); 113 m->valid = VM_PAGE_BITS_ALL; 114 VM_OBJECT_WUNLOCK(shared_page_obj); |
| 115 addr = kmem_alloc_nofault(kernel_map, PAGE_SIZE); | 115 addr = kva_alloc(PAGE_SIZE); |
| 116 pmap_qenter(addr, &m, 1); 117 shared_page_mapping = (char *)addr; 118} 119 120SYSINIT(shp, SI_SUB_EXEC, SI_ORDER_FIRST, (sysinit_cfunc_t)shared_page_init, 121 NULL); 122 123static void --- 117 unchanged lines hidden --- | 116 pmap_qenter(addr, &m, 1); 117 shared_page_mapping = (char *)addr; 118} 119 120SYSINIT(shp, SI_SUB_EXEC, SI_ORDER_FIRST, (sysinit_cfunc_t)shared_page_init, 121 NULL); 122 123static void --- 117 unchanged lines hidden --- |