| subr_syscall.c (5220) | subr_syscall.c (5455) |
|---|---|
| 1/*- 2 * Copyright (C) 1994, David Greenman 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the University of Utah, and William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 | 1/*- 2 * Copyright (C) 1994, David Greenman 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the University of Utah, and William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 |
| 38 * $Id: trap.c,v 1.41 1994/10/30 20:25:21 bde Exp $ | 38 * $Id: trap.c,v 1.42 1994/12/24 07:22:58 bde Exp $ |
| 39 */ 40 41/* 42 * 386 Trap and System call handling 43 */ 44 45#include <sys/param.h> 46#include <sys/systm.h> --- 369 unchanged lines hidden (view full) --- 416 * Check if page table is mapped, if not, 417 * fault it first 418 */ 419 420 /* Fault the pte only if needed: */ 421 *(volatile char *)v += 0; 422 423 ptepg = (vm_page_t) pmap_pte_vm_page(vm_map_pmap(map), v); | 39 */ 40 41/* 42 * 386 Trap and System call handling 43 */ 44 45#include <sys/param.h> 46#include <sys/systm.h> --- 369 unchanged lines hidden (view full) --- 416 * Check if page table is mapped, if not, 417 * fault it first 418 */ 419 420 /* Fault the pte only if needed: */ 421 *(volatile char *)v += 0; 422 423 ptepg = (vm_page_t) pmap_pte_vm_page(vm_map_pmap(map), v); |
| 424 if( ptepg->hold_count == 0) 425 ptepg->act_count += 3; | |
| 426 vm_page_hold(ptepg); 427 428 /* Fault in the user page: */ 429 rv = vm_fault(map, va, ftype, FALSE); 430 431 vm_page_unhold(ptepg); 432 433 /* --- 286 unchanged lines hidden --- | 424 vm_page_hold(ptepg); 425 426 /* Fault in the user page: */ 427 rv = vm_fault(map, va, ftype, FALSE); 428 429 vm_page_unhold(ptepg); 430 431 /* --- 286 unchanged lines hidden --- |