Lines Matching defs:cow
1517 * XXX break cow sharing using PAGESIZE
1726 * exist to avoid partial cow sharing
2692 * If not a cow
2696 * Call anon_private to handle cow
2710 int brkcow) /* we may need to break cow */
2719 int cow;
2954 cow = !(vpprot & PROT_WRITE);
2962 cow = (ap == NULL);
2964 cow = 0;
2971 if (cow == 0) {
3065 * is a cow fault on an existing anon page in which case
4133 * either always breaks cow (any rw
4139 * SOFTLOCK case it must be a cow
4140 * break but cow break never reduces
4142 * this case works as cow break.
4601 * Large page end is mapped beyond the end of file and it's a cow
4602 * fault (can be a text replication induced cow) or softlock so we can't
7588 * (2) cow is broken or not
7947 * (2) cow is broken or not