1992/0314/port/segment.c (diff list | history)

1992/0310/sys/src/9/port/segment.c:95,101 – 1992/0314/sys/src/9/port/segment.c:95,103 (short | long | prev | next)
1991/0726		return; i = s->image; if(i && i->s == s && s->ref == 1){
1992/0314		if(i) if(i->s == s) if(s->ref == 1) {
1991/0726		lock(i); if(s->ref == 1) i->s = 0;
1992/0310/sys/src/9/port/segment.c:166,171 – 1992/0314/sys/src/9/port/segment.c:168,174
1991/0705		n->image = s->image; n->fstart = s->fstart; n->flen = s->flen;
1992/0314
1991/0705		copypte: for(i = 0; i < SEGMAPSIZE; i++) if(pte = s->map[i])
1992/0310/sys/src/9/port/segment.c:272,301 – 1992/0314/sys/src/9/port/segment.c:275,294
1991/0706		if(!canqlock(&ireclaim)) /* Somebody is already cleaning the page cache */ return;
1992/0310		if(conf.cntrlp) print("ireclaim %lud\n", TK2MS(MACHP(0)->ticks));
1991/1024		for(;;) { lock(&palloc); for(p = palloc.head; p; p = p->next)
1992/0314		for(p = palloc.head; p; p = p->next) {
1992/0225		if(p->image) if(p->ref == 0) if(p->image != &swapimage)
1991/1024		break;
1991/0706
1992/0314		if(p->image != &swapimage) { lockpage(p); if(p->ref == 0) uncachepage(p); unlockpage(p); } }
1991/0706		unlock(&palloc);
1991/1024		if(p == 0) break;
1991/0706		lockpage(p);
1992/0225		if(p->ref == 0)
1991/0706		uncachepage(p); unlockpage(p); }
1992/0310		if(conf.cntrlp) print("ireclaim done %lud\n", TK2MS(MACHP(0)->ticks));
1991/0706		qunlock(&ireclaim); }