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Lines Matching defs:nback

869 	int i, error, npages, nback;
1174 			nback = npages;
1175 			uvn_findpages(uobj, off - PAGE_SIZE, &nback,
1178 			if (nback) {
1179 				memmove(&pgs[0], &pgs[npages - nback],
1180 				    nback * sizeof(pgs[0]));
1181 				if (npages - nback < nback)
1182 					memset(&pgs[nback], 0,
1183 					    (npages - nback) * sizeof(pgs[0]));
1185 					memset(&pgs[npages - nback], 0,
1186 					    nback * sizeof(pgs[0]));
1193 			pgs[nback] = pg;
1213 			npages = MAXPAGES - nback - 1;
1218 			    &pgs[nback + 1], &a,
1220 			npages += nback + 1;
1224 			nback = 0;
1283 			KASSERT(nback < npages);
1284 			nextoff = pg->offset + ((npages - nback) << PAGE_SHIFT);
1285 			KASSERT(pgs[nback] == pg);