| vm_fault.c (43138) | vm_fault.c (43748) |
|---|---|
| 1/* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1994 John S. Dyson 5 * All rights reserved. 6 * Copyright (c) 1994 David Greenman 7 * All rights reserved. 8 * --- 52 unchanged lines hidden (view full) --- 61 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 62 * School of Computer Science 63 * Carnegie Mellon University 64 * Pittsburgh PA 15213-3890 65 * 66 * any improvements or extensions that they make and grant Carnegie the 67 * rights to redistribute these changes. 68 * | 1/* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1994 John S. Dyson 5 * All rights reserved. 6 * Copyright (c) 1994 David Greenman 7 * All rights reserved. 8 * --- 52 unchanged lines hidden (view full) --- 61 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 62 * School of Computer Science 63 * Carnegie Mellon University 64 * Pittsburgh PA 15213-3890 65 * 66 * any improvements or extensions that they make and grant Carnegie the 67 * rights to redistribute these changes. 68 * |
| 69 * $Id: vm_fault.c,v 1.97 1999/01/24 00:55:04 dillon Exp $ | 69 * $Id: vm_fault.c,v 1.98 1999/01/24 06:04:52 dillon Exp $ |
| 70 */ 71 72/* 73 * Page fault handling module. 74 */ 75 76#include <sys/param.h> 77#include <sys/systm.h> --- 542 unchanged lines hidden (view full) --- 620 * We don't chase down the shadow chain 621 */ 622 (fs.object == fs.first_object->backing_object) && 623 624 /* 625 * grab the lock if we need to 626 */ 627 (fs.lookup_still_valid || | 70 */ 71 72/* 73 * Page fault handling module. 74 */ 75 76#include <sys/param.h> 77#include <sys/systm.h> --- 542 unchanged lines hidden (view full) --- 620 * We don't chase down the shadow chain 621 */ 622 (fs.object == fs.first_object->backing_object) && 623 624 /* 625 * grab the lock if we need to 626 */ 627 (fs.lookup_still_valid || |
| 628 (((fs.entry->eflags & MAP_ENTRY_IS_A_MAP) == 0) && 629 lockmgr(&fs.map->lock, 630 LK_EXCLUSIVE|LK_NOWAIT, (void *)0, curproc) == 0))) { | 628 lockmgr(&fs.map->lock, LK_EXCLUSIVE|LK_NOWAIT, (void *)0, curproc) == 0) 629 ) { |
| 631 632 fs.lookup_still_valid = 1; 633 /* 634 * get rid of the unnecessary page 635 */ 636 vm_page_protect(fs.first_m, VM_PROT_NONE); 637 vm_page_free(fs.first_m); 638 fs.first_m = NULL; --- 547 unchanged lines hidden --- | 630 631 fs.lookup_still_valid = 1; 632 /* 633 * get rid of the unnecessary page 634 */ 635 vm_page_protect(fs.first_m, VM_PROT_NONE); 636 vm_page_free(fs.first_m); 637 fs.first_m = NULL; --- 547 unchanged lines hidden --- |