Differential D36839 Diff 111482 sys/vm/vm_page.c

Changeset View

Standalone View

sys/vm/vm_page.c

Show First 20 Lines • Show All 4,135 Lines • ▼ Show 20 Lines	vm_page_mvqueue(vm_page_t m, const uint8_t nqueue, const uint16_t nflag)
do {		do {
if ((old.flags & PGA_DEQUEUE) != 0)		if ((old.flags & PGA_DEQUEUE) != 0)
break;		break;
new = old;		new = old;
new.flags &= ~PGA_QUEUE_OP_MASK;		new.flags &= ~PGA_QUEUE_OP_MASK;
if (nqueue == PQ_ACTIVE)		if (nqueue == PQ_ACTIVE)
new.act_count = max(old.act_count, ACT_INIT);		new.act_count = max(old.act_count, ACT_INIT);
if (old.queue == nqueue) {		if (old.queue == nqueue) {
if (nqueue != PQ_ACTIVE)		/*
		* There is no need to requeue pages already in the
		* active queue.
		*/
		if (nqueue != PQ_ACTIVE \|\|
		(old.flags & PGA_ENQUEUED) == 0)
new.flags \|= nflag;		new.flags \|= nflag;
} else {		} else {
new.flags \|= nflag;		new.flags \|= nflag;
new.queue = nqueue;		new.queue = nqueue;
}		}
} while (!vm_page_pqstate_commit(m, &old, new));		} while (!vm_page_pqstate_commit(m, &old, new));
}		}

▲ Show 20 Lines • Show All 80 Lines • ▼ Show 20 Lines	do {
new = old;		new = old;

/*		/*
* If the page is already in the active queue and we are not		* If the page is already in the active queue and we are not
* trying to accelerate reclamation, simply mark it as		* trying to accelerate reclamation, simply mark it as
* referenced and avoid any queue operations.		* referenced and avoid any queue operations.
*/		*/
new.flags &= ~PGA_QUEUE_OP_MASK;		new.flags &= ~PGA_QUEUE_OP_MASK;
if (nflag != PGA_REQUEUE_HEAD && old.queue == PQ_ACTIVE)		if (nflag != PGA_REQUEUE_HEAD && old.queue == PQ_ACTIVE &&
		(old.flags & PGA_ENQUEUED) != 0)
new.flags \|= PGA_REFERENCED;		new.flags \|= PGA_REFERENCED;
else {		else {
new.flags \|= nflag;		new.flags \|= nflag;
new.queue = nqueue;		new.queue = nqueue;
}		}
} while (!vm_page_pqstate_commit(m, &old, new));		} while (!vm_page_pqstate_commit(m, &old, new));
}		}

▲ Show 20 Lines • Show All 1,344 Lines • Show Last 20 Lines