sys/vm/vm_reserv.c

156  * within that object.  The reservation's "popcnt" tracks the number of these
170 	int		popcnt;			/* # of pages in use */
192  * "object" field and a non-zero "popcnt" field.  In other words, every active
262 			fullpop += rv->popcnt == VM_LEVEL_0_NPAGES;
290 			unused_pages += VM_LEVEL_0_NPAGES - rv->popcnt;
319 	KASSERT(rv->popcnt > 0,
320 	    ("vm_reserv_depopulate: reserv %p's popcnt is corrupted", rv));
331 	rv->popcnt--;
332 	if (rv->popcnt == 0) {
380 	KASSERT(rv->popcnt < VM_LEVEL_0_NPAGES,
389 	rv->popcnt++;
390 	if (rv->popcnt < VM_LEVEL_0_NPAGES) {
553 		KASSERT(rv->popcnt == 0,
554 		    ("vm_reserv_alloc_contig: reserv %p's popcnt is corrupted",
698 	KASSERT(rv->popcnt == 0,
699 	    ("vm_reserv_alloc_page: reserv %p's popcnt is corrupted", rv));
754 		rv->popcnt++;
763 			rv->popcnt -= NBPOPMAP - hi;
768 					rv->popcnt -= NBPOPMAP;
782 			rv->popcnt -= lo - hi;
795 	KASSERT(rv->popcnt == 0,
796 	    ("vm_reserv_break: reserv %p's popcnt is corrupted", rv));
907 	return (rv->popcnt == VM_LEVEL_0_NPAGES ? 0 : -1);