Changeset View

Standalone View

Show First 20 Lines • Show All 498 Lines • ▼ Show 20 Lines	retry:
m = vm_page_grab(object, idx, VM_ALLOC_NOCREAT);		m = vm_page_grab(object, idx, VM_ALLOC_NOCREAT);
if (m != NULL) {		if (m != NULL) {
MPASS(vm_page_all_valid(m));		MPASS(vm_page_all_valid(m));
} else if (vm_pager_has_page(object, idx, NULL, NULL)) {		} else if (vm_pager_has_page(object, idx, NULL, NULL)) {
m = vm_page_alloc(object, idx,		m = vm_page_alloc(object, idx,
VM_ALLOC_NORMAL \| VM_ALLOC_WAITFAIL);		VM_ALLOC_NORMAL \| VM_ALLOC_WAITFAIL);
if (m == NULL)		if (m == NULL)
goto retry;		goto retry;
		vm_object_pip_add(object, 1);
		VM_OBJECT_WUNLOCK(object);
rv = vm_pager_get_pages(object, &m, 1, NULL,		rv = vm_pager_get_pages(object, &m, 1, NULL,
NULL);		NULL);
		VM_OBJECT_WLOCK(object);
		vm_object_pip_wakeup(object);
if (rv == VM_PAGER_OK) {		if (rv == VM_PAGER_OK) {
/*		/*
* Since the page was not resident,		* Since the page was not resident,
* and therefore not recently		* and therefore not recently
* accessed, immediately enqueue it		* accessed, immediately enqueue it
* for asynchronous laundering. The		* for asynchronous laundering. The
* current operation is not regarded		* current operation is not regarded
* as an access.		* as an access.
▲ Show 20 Lines • Show All 1,031 Lines • Show Last 20 Lines