vm_fault.c (bccdea450b37005ada49d974baff95be1d8821c7) vm_fault.c (725441f69ba10d59dd2bb8fe5e03d6220b5d08bf)
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 *

--- 278 unchanged lines hidden (view full) ---

287 int alloc_req, era, faultcount, nera, result;
288 boolean_t growstack, is_first_object_locked, wired;
289 int map_generation;
290 vm_object_t next_object;
291 int hardfault;
292 struct faultstate fs;
293 struct vnode *vp;
294 vm_page_t m;
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 *

--- 278 unchanged lines hidden (view full) ---

287 int alloc_req, era, faultcount, nera, result;
288 boolean_t growstack, is_first_object_locked, wired;
289 int map_generation;
290 vm_object_t next_object;
291 int hardfault;
292 struct faultstate fs;
293 struct vnode *vp;
294 vm_page_t m;
295 int ahead, behind, cluster_offset, error, locked;
295 int ahead, behind, cluster_offset, dead, error, locked;
296
297 hardfault = 0;
298 growstack = TRUE;
299 PCPU_INC(cnt.v_vm_faults);
300 fs.vp = NULL;
301 faultcount = 0;
302
303RetryFault:;

--- 112 unchanged lines hidden (view full) ---

416
417 /*
418 * Search for the page at object/offset.
419 */
420 fs.object = fs.first_object;
421 fs.pindex = fs.first_pindex;
422 while (TRUE) {
423 /*
296
297 hardfault = 0;
298 growstack = TRUE;
299 PCPU_INC(cnt.v_vm_faults);
300 fs.vp = NULL;
301 faultcount = 0;
302
303RetryFault:;

--- 112 unchanged lines hidden (view full) ---

416
417 /*
418 * Search for the page at object/offset.
419 */
420 fs.object = fs.first_object;
421 fs.pindex = fs.first_pindex;
422 while (TRUE) {
423 /*
424 * If the object is dead, we stop here
424 * If the object is marked for imminent termination,
425 * we retry here, since the collapse pass has raced
426 * with us. Otherwise, if we see terminally dead
427 * object, return fail.
425 */
428 */
426 if (fs.object->flags & OBJ_DEAD) {
429 if ((fs.object->flags & OBJ_DEAD) != 0) {
430 dead = fs.object->type == OBJT_DEAD;
427 unlock_and_deallocate(&fs);
431 unlock_and_deallocate(&fs);
428 return (KERN_PROTECTION_FAILURE);
432 if (dead)
433 return (KERN_PROTECTION_FAILURE);
434 pause("vmf_de", 1);
435 goto RetryFault;
429 }
430
431 /*
432 * See if page is resident
433 */
434 fs.m = vm_page_lookup(fs.object, fs.pindex);
435 if (fs.m != NULL) {
436 /*

--- 1014 unchanged lines hidden --- 		436 }
437
438 /*
439 * See if page is resident
440 */
441 fs.m = vm_page_lookup(fs.object, fs.pindex);
442 if (fs.m != NULL) {
443 /*

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