49 	int todo;  in phys_copyback()  local
58 		todo = min(PAGE_SIZE - page_off, size);  in phys_copyback()
60 		memcpy(p, cp, todo);  in phys_copyback()
61 		size -= todo;  in phys_copyback()
62 		cp += todo;  in phys_copyback()
63 		pa += todo;  in phys_copyback()
73 	int todo;  in vlist_copyback()  local
87 		todo = size;  in vlist_copyback()
88 		if (todo > vlist->ds_len - off)  in vlist_copyback()
89 			todo = vlist->ds_len - off;  in vlist_copyback()
91 		memcpy((char *)(uintptr_t)vlist->ds_addr + off, p, todo);  in vlist_copyback()
95 		size -= todo;  in vlist_copyback()
96 		p += todo;  in vlist_copyback()
105 	int todo;  in plist_copyback()  local
119 		todo = size;  in plist_copyback()
120 		if (todo > plist->ds_len - off)  in plist_copyback()
121 			todo = plist->ds_len - off;  in plist_copyback()
123 		phys_copyback(plist->ds_addr, off, todo, p);  in plist_copyback()
127 		size -= todo;  in plist_copyback()
128 		p += todo;  in plist_copyback()
197 	int todo;  in phys_copydata()  local
206 		todo = min(PAGE_SIZE - page_off, size);  in phys_copydata()
208 		memcpy(cp, p, todo);  in phys_copydata()
209 		size -= todo;  in phys_copydata()
210 		cp += todo;  in phys_copydata()
211 		pa += todo;  in phys_copydata()
221 	int todo;  in vlist_copydata()  local
235 		todo = size;  in vlist_copydata()
236 		if (todo > vlist->ds_len - off)  in vlist_copydata()
237 			todo = vlist->ds_len - off;  in vlist_copydata()
239 		memcpy(p, (char *)(uintptr_t)vlist->ds_addr + off, todo);  in vlist_copydata()
243 		size -= todo;  in vlist_copydata()
244 		p += todo;  in vlist_copydata()
253 	int todo;  in plist_copydata()  local
267 		todo = size;  in plist_copydata()
268 		if (todo > plist->ds_len - off)  in plist_copydata()
269 			todo = plist->ds_len - off;  in plist_copydata()
271 		phys_copydata(plist->ds_addr, off, todo, p);  in plist_copydata()
275 		size -= todo;  in plist_copydata()
276 		p += todo;  in plist_copydata()
475 	size_t todo;  in vlist_ext_mbuf()  local
491 		todo = len;  in vlist_ext_mbuf()
492 		if (todo > vlist->ds_len - offset)  in vlist_ext_mbuf()
493 			todo = vlist->ds_len - offset;  in vlist_ext_mbuf()
496 		    offset, todo);  in vlist_ext_mbuf()
511 		len -= todo;  in vlist_ext_mbuf()
527 	size_t appended, totlen, todo;  in plist_ext_mbuf()  local
545 		todo = len;  in plist_ext_mbuf()
546 		if (todo > plist->ds_len - offset)  in plist_ext_mbuf()
547 			todo = plist->ds_len - offset;  in plist_ext_mbuf()
569 			todo = end - pa;  in plist_ext_mbuf()
573 		len -= todo;  in plist_ext_mbuf()
574 		totlen += todo;  in plist_ext_mbuf()
576 		while (todo > 0) {  in plist_ext_mbuf()
585 			appended = append_paddr_range(tail, pa, todo);  in plist_ext_mbuf()
589 			todo -= appended;  in plist_ext_mbuf()