powerpc/booke/pmap.c

254 /* Data for the pv entry allocation mechanism */
258 #define PV_ENTRY_ZONE_MIN	2048	/* min pv entries in uma zone */
545 	pv_entry_t pv;
550 	pv = uma_zalloc(pvzone, M_NOWAIT);
552 	return (pv);
576 		panic("pv_insert: no pv entries!");
590 /* Destroy pv entry. */
602 	/* find pv entry */
610 			/* free pv entry struct */
918 	 * Initialize the global pv list lock.
920 	rw_init(&pvh_global_lock, "pmap pv global");
1067 	 * Initialize the address space (zone) for the pv entries.  Set a
1069 	 * numbers of pv entries.
1082 	/* Pre-fill pvzone with initial number of pv entries. */
1548 	pv_entry_t pv, pvn;
1552 	TAILQ_FOREACH_SAFE(pv, &m->md.pv_list, pv_link, pvn) {
1553 		PMAP_LOCK(pv->pv_pmap);
1554 		hold_flag = PTBL_HOLD_FLAG(pv->pv_pmap);
1555 		pte_remove(pv->pv_pmap, pv->pv_va, hold_flag);
1556 		PMAP_UNLOCK(pv->pv_pmap);
1708 	pv_entry_t pv;
1718 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_link) {
1719 		PMAP_LOCK(pv->pv_pmap);
1720 		if ((pte = pte_find(pv->pv_pmap, pv->pv_va)) != NULL) {
1738 		PMAP_UNLOCK(pv->pv_pmap);
1795 	pv_entry_t pv;
1809 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_link) {
1810 		PMAP_LOCK(pv->pv_pmap);
1811 		if ((pte = pte_find(pv->pv_pmap, pv->pv_va)) != NULL &&
1816 		PMAP_UNLOCK(pv->pv_pmap);
1843 	pv_entry_t pv;
1850 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_link) {
1851 		PMAP_LOCK(pv->pv_pmap);
1852 		if ((pte = pte_find(pv->pv_pmap, pv->pv_va)) != NULL &&
1857 		PMAP_UNLOCK(pv->pv_pmap);
1872 	pv_entry_t pv;
1882 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_link) {
1883 		PMAP_LOCK(pv->pv_pmap);
1884 		if ((pte = pte_find(pv->pv_pmap, pv->pv_va)) != NULL &&
1890 				tlb0_flush_entry(pv->pv_va);
1898 		PMAP_UNLOCK(pv->pv_pmap);
1921 	pv_entry_t pv;
1928 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_link) {
1929 		PMAP_LOCK(pv->pv_pmap);
1930 		if ((pte = pte_find(pv->pv_pmap, pv->pv_va)) != NULL &&
1938 				tlb0_flush_entry(pv->pv_va);
1945 					PMAP_UNLOCK(pv->pv_pmap);
1950 		PMAP_UNLOCK(pv->pv_pmap);
1987  * Return true if the pmap's pv is one of the first 16 pvs linked to from this
1995 	pv_entry_t pv;
2004 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_link) {
2005 		if (pv->pv_pmap == pmap) {
2023 	pv_entry_t pv;
2030 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_link) {
2031 		PMAP_LOCK(pv->pv_pmap);
2032 		if ((pte = pte_find(pv->pv_pmap, pv->pv_va)) != NULL)
2035 		PMAP_UNLOCK(pv->pv_pmap);