182 #define BLK2DEVIDX(blk) (nswdev > 1 ? blk / SWB_DMMAX % nswdev : 0)  argument
293 						swblk_t blk, int npages);
534 	swblk_t blk;  in swp_pager_getswapspace()  local
537 	blk = blist_allocat(swapblist, npages, swapiterator);  in swp_pager_getswapspace()
538 	if (blk == SWAPBLK_NONE)  in swp_pager_getswapspace()
539 		blk = blist_allocat(swapblist, npages, 0);  in swp_pager_getswapspace()
540 	if (blk == SWAPBLK_NONE) {  in swp_pager_getswapspace()
560 		swapacctspace(blk, -npages);  in swp_pager_getswapspace()
568 	return(blk);  in swp_pager_getswapspace()
583 swp_pager_freeswapspace(vm_object_t object, swblk_t blk, int npages)  in swp_pager_freeswapspace()  argument
585 	struct swdevt *sp = &swdevt[BLK2DEVIDX(blk)];  in swp_pager_freeswapspace()
599 	blist_free(swapblist, blk, npages);  in swp_pager_freeswapspace()
759 	swblk_t blk = SWAPBLK_NONE;  in swap_pager_reserve()  local
767 			while ((blk = swp_pager_getswapspace(object, n)) ==  in swap_pager_reserve()
779 		swp_pager_meta_build(object, start, blk);  in swap_pager_reserve()
782 		++blk;  in swap_pager_reserve()
1079 		swblk_t blk;  in swap_pager_strategy()  local
1085 		blk = swp_pager_meta_ctl(object, start, 0);  in swap_pager_strategy()
1086 		if ((blk == SWAPBLK_NONE) && bp->b_cmd == BUF_CMD_WRITE) {  in swap_pager_strategy()
1087 			blk = swp_pager_getswapspace(object, 1);  in swap_pager_strategy()
1088 			if (blk == SWAPBLK_NONE) {  in swap_pager_strategy()
1093 			swp_pager_meta_build(object, start, blk);  in swap_pager_strategy()
1105 		    (biox_blkno + btoc(bufx->b_bcount) != blk ||  in swap_pager_strategy()
1106 		     ((biox_blkno ^ blk) & ~SWB_DMMASK))) {  in swap_pager_strategy()
1138 		if (blk == SWAPBLK_NONE) {  in swap_pager_strategy()
1155 				biox->bio_offset = (off_t)blk << PAGE_SHIFT;  in swap_pager_strategy()
1157 				biox_blkno = blk;  in swap_pager_strategy()
1309 	swblk_t blk;  in swap_pager_getpage()  local
1341 		blk = swp_pager_meta_ctl(object, mreq->pindex + 1, 0);  in swap_pager_getpage()
1342 		if (blk == SWAPBLK_NONE) {  in swap_pager_getpage()
1386 	blk = swp_pager_meta_ctl(mreq->object, mreq->pindex, 0);  in swap_pager_getpage()
1395 		if (iblk != blk + i)  in swap_pager_getpage()
1397 		if ((blk ^ iblk) & ~SWB_DMMASK)  in swap_pager_getpage()
1430 	if (blk == SWAPBLK_NONE) {  in swap_pager_getpage()
1458 	bio->bio_offset = (off_t)blk << PAGE_SHIFT;  in swap_pager_getpage()
1674 		swblk_t blk;  in swap_pager_putpages()  local
1693 		    (blk = swp_pager_getswapspace(object, n)) == SWAPBLK_NONE &&  in swap_pager_putpages()
1698 		if (blk == SWAPBLK_NONE) {  in swap_pager_putpages()
1705 			kprintf("swap_alloc %08jx,%d\n", (intmax_t)blk, n);  in swap_pager_putpages()
1713 		if ((blk ^ (blk + n)) & ~SWB_DMMASK) {  in swap_pager_putpages()
1714 			j = ((blk + SWB_DMMAX) & ~SWB_DMMASK) - blk;  in swap_pager_putpages()
1715 			swp_pager_freeswapspace(object, blk + j, n - j);  in swap_pager_putpages()
1737 		bio->bio_offset = (off_t)blk << PAGE_SHIFT;  in swap_pager_putpages()
1743 					     blk + j);  in swap_pager_putpages()