1990/0728/port/page.c (diff list | history)

1990/0720/sys/src/9/port/page.c:560,569 – 1990/0728/sys/src/9/port/page.c:560,574 (short | long | prev | next)
1990/0227		lock(&ptealloc); lock(o); if(o->pte){ if(o->npte == n) panic("growpte pointless");
1990/0728		if(o->npte == n){ if(u && u->p) print("%s: ", u->p->text); print("growpte pointless\n"); goto Return; }
1990/0227		p = (PTEA*)(o->pte - 1); if(o->npte > n){
1990/0728		print("growpte shrink"); goto Return;
1990/0227		nfree = o->npte - n; p->n -= nfree; o->npte -= nfree;
1990/0720/sys/src/9/port/page.c:589,597 – 1990/0728/sys/src/9/port/page.c:594,600
1990/0227		p->n = n; o->npte = n-1; } unlock(o); unlock(&ptealloc); return;
1990/0728		goto Return;
1990/0227		} n++; compactpte(o, n);
1990/0720/sys/src/9/port/page.c:602,607 – 1990/0728/sys/src/9/port/page.c:605,611
1990/0227		p->o = o; o->pte = p+1; o->npte = n-1;
1990/0728		Return:
1990/0227		unlock(o); unlock(&ptealloc); }