1992/0301/port/swap.c (diff list | history)

1992/0130/sys/src/9/port/swap.c:15,21 – 1992/0301/sys/src/9/port/swap.c:15,21 (short | long | prev | next)
1991/0705		enum {
1991/0706		Maxpages = 500, /* Max number of pageouts per segment pass */
1992/0301		Maxpages = 300, /* Max number of pageouts per segment pass */
1991/0705		}; Image swapimage;
1992/0130/sys/src/9/port/swap.c:109,124 – 1992/0301/sys/src/9/port/swap.c:109,122
1991/0705		if(waserror()) panic("pager: os error\n");
1992/0301		u->p->psstate = "Idle"; sleep(&swapalloc.r, needpages, 0); u->p->psstate = "Pageout";
1991/0705		for(p = proctab(0); p < ep; p++) { if(p->state == Dead || p->kp) continue;
1991/0926		u->p->psstate = "Idle";
1991/0705		sleep(&swapalloc.r, needpages, 0);
1991/0926		u->p->psstate = "Pageout";
1991/0705
1991/0726		if(p->state == Dead || p->kp) continue;
1991/0705		if(swapimage.c) { for(i = 0; i < NSEG; i++) if(s = p->seg[i]) {
1992/0130/sys/src/9/port/swap.c:235,251 – 1992/0301/sys/src/9/port/swap.c:233,238
1991/0705		*pg = 0; break; case SG_DATA: /* Unmodified data may be reverted to a demand load record if it * is not the last page in the DSEG */ /* BUG: needs to check the last page if((outp->modref&PG_MOD) == 0) { putpage(outp); *pg = 0; break; } */ /* NO break */ case SG_BSS: case SG_STACK: case SG_SHARED:
1992/0130/sys/src/9/port/swap.c:284,292 – 1992/0301/sys/src/9/port/swap.c:271,280
1991/0705		for(i = 0; i < ioptr; i++) { out = iolist[i];
1992/0301		#ifdef asdf
1991/0705		if(out->ref > 2) { lockpage(out); if(out->ref > 2) { /* Page was reclaimed, abort io */
1992/0301		if(out->ref > 2) {
1991/0705		out->ref -= 2; unlockpage(out); continue;
1992/0130/sys/src/9/port/swap.c:293,298 – 1992/0301/sys/src/9/port/swap.c:281,287
1991/0705		} unlockpage(out); }
1992/0301		#endif
1991/0705		k = kmap(out); kaddr = (char*)VA(k); qlock(&c->wrl);