1998/0724/port/segment.c (diff list | history)

1998/0512/sys/src/9/port/segment.c:424,429 – 1998/0724/sys/src/9/port/segment.c:424,432 (short | long | prev | next)
1991/0705		return 0; }
1998/0724		/* * called with s->lk locked */
1991/0705		void mfreeseg(Segment *s, ulong start, int pages) {
1998/0512/sys/src/9/port/segment.c:430,439 – 1998/0724/sys/src/9/port/segment.c:433,444
1991/0705		int i, j; ulong soff; Page *pg;
1998/0724		Page *list;
1991/0705		soff = start-s->base; j = (soff&(PTEMAPMEM-1))/BY2PG;
1998/0724		list = nil;
1991/0705		for(i = soff/PTEMAPMEM; i < SEGMAPSIZE; i++) {
1998/0512		if(pages <= 0)
1992/1206		break;
1998/0512/sys/src/9/port/segment.c:444,458 – 1998/0724/sys/src/9/port/segment.c:449,471
1992/1206		} while(j < PTEPERTAB) { pg = s->map[i]->pages[j]; if(pg) { putpage(pg);
1998/0724		if(pg)
1998/0512		s->map[i]->pages[j] = 0;
1991/0705		}
1998/0724		pg->next = list; list = pg;
1992/1206		if(--pages == 0) return;
1998/0724		goto out;
1992/1206		j++;
1991/0705		}
1991/0726		j = 0;
1998/0724		} out: /* wait for others to get fix their tlb's and then free the pages */ if((s->type&SG_TYPE) == SG_SHARED){ } for(pg = list; pg != nil; pg = list){ list = list->next; putpage(pg);
1991/0705		} }