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Merge from vmc-playground branch:

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Rename the pv_entry_t iterator from pv_list to pv_next.
Besides being more correct technically (as the name seems to suggest
this is a list while it is an iterator), it will also be needed by
vm_radix work to avoid a nameclash on macro expansions.

Sponsored by:	EMC / Isilon storage division
Reviewed by:	alc, jeff
Tested by:	flo, pho, jhb, davide
This commit is contained in:
Attilio Rao 2013-03-02 14:19:08 +00:00
parent e8aabc79db
commit b38d37f7b5
4 changed files with 57 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
sys/amd64/amd64/pmap.c
View File

@ -2222,7 +2222,7 @@ reclaim_pv_chunk(pmap_t locked_pmap, struct rwlock **lockp)
if ((tpte & PG_A) != 0)
vm_page_aflag_set(m, PGA_REFERENCED);
CHANGE_PV_LIST_LOCK_TO_VM_PAGE(lockp, m);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
if (TAILQ_EMPTY(&m->md.pv_list) &&
(m->flags & PG_FICTITIOUS) == 0) {
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
@ -2506,9 +2506,9 @@ pmap_pvh_remove(struct md_page *pvh, pmap_t pmap, vm_offset_t va)
pv_entry_t pv;
rw_assert(&pvh_global_lock, RA_LOCKED);
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
if (pmap == PV_PMAP(pv) && va == pv->pv_va) {
TAILQ_REMOVE(&pvh->pv_list, pv, pv_list);
TAILQ_REMOVE(&pvh->pv_list, pv, pv_next);
break;
}
}
@ -2547,7 +2547,7 @@ pmap_pv_demote_pde(pmap_t pmap, vm_offset_t va, vm_paddr_t pa,
pv = pmap_pvh_remove(pvh, pmap, va);
KASSERT(pv != NULL, ("pmap_pv_demote_pde: pv not found"));
m = PHYS_TO_VM_PAGE(pa);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
/* Instantiate the remaining NPTEPG - 1 pv entries. */
PV_STAT(atomic_add_long(&pv_entry_allocs, NPTEPG - 1));
va_last = va + NBPDR - PAGE_SIZE;
@ -2565,7 +2565,7 @@ pmap_pv_demote_pde(pmap_t pmap, vm_offset_t va, vm_paddr_t pa,
m++;
KASSERT((m->oflags & VPO_UNMANAGED) == 0,
("pmap_pv_demote_pde: page %p is not managed", m));
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
if (va == va_last)
goto out;
}
@ -2613,7 +2613,7 @@ pmap_pv_promote_pde(pmap_t pmap, vm_offset_t va, vm_paddr_t pa,
pv = pmap_pvh_remove(&m->md, pmap, va);
KASSERT(pv != NULL, ("pmap_pv_promote_pde: pv not found"));
pvh = pa_to_pvh(pa);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_next);
/* Free the remaining NPTEPG - 1 pv entries. */
va_last = va + NBPDR - PAGE_SIZE;
do {
@ -2654,7 +2654,7 @@ pmap_try_insert_pv_entry(pmap_t pmap, vm_offset_t va, vm_page_t m,
if ((pv = get_pv_entry(pmap, NULL)) != NULL) {
pv->pv_va = va;
CHANGE_PV_LIST_LOCK_TO_VM_PAGE(lockp, m);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
return (TRUE);
} else
return (FALSE);
@ -2678,7 +2678,7 @@ pmap_pv_insert_pde(pmap_t pmap, vm_offset_t va, vm_paddr_t pa,
pv->pv_va = va;
CHANGE_PV_LIST_LOCK_TO_PHYS(lockp, pa);
pvh = pa_to_pvh(pa);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_next);
return (TRUE);
} else
return (FALSE);
@ -3157,7 +3157,7 @@ pmap_remove_all(vm_page_t m)
vm_page_dirty(m);
pmap_unuse_pt(pmap, pv->pv_va, *pde, &free);
pmap_invalidate_page(pmap, pv->pv_va);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
free_pv_entry(pmap, pv);
PMAP_UNLOCK(pmap);
}
@ -3602,7 +3602,7 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_prot_t access, vm_page_t m,
pv = get_pv_entry(pmap, &lock);
pv->pv_va = va;
CHANGE_PV_LIST_LOCK_TO_PHYS(&lock, pa);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
if ((newpte & PG_RW) != 0)
vm_page_aflag_set(m, PGA_WRITEABLE);
}
@ -4295,7 +4295,7 @@ pmap_page_exists_quick(pmap_t pmap, vm_page_t m)
rw_rlock(&pvh_global_lock);
lock = VM_PAGE_TO_PV_LIST_LOCK(m);
rw_rlock(lock);
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
if (PV_PMAP(pv) == pmap) {
rv = TRUE;
break;
@ -4306,7 +4306,7 @@ pmap_page_exists_quick(pmap_t pmap, vm_page_t m)
}
if (!rv && loops < 16 && (m->flags & PG_FICTITIOUS) == 0) {
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
if (PV_PMAP(pv) == pmap) {
rv = TRUE;
break;
@ -4358,7 +4358,7 @@ pmap_pvh_wired_mappings(struct md_page *pvh, int count)
pv_entry_t pv;
rw_assert(&pvh_global_lock, RA_WLOCKED);
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pte = pmap_pte(pmap, pv->pv_va);
@ -4489,7 +4489,7 @@ pmap_remove_pages(pmap_t pmap)
if ((tpte & PG_PS) != 0) {
pmap_resident_count_dec(pmap, NBPDR / PAGE_SIZE);
pvh = pa_to_pvh(tpte & PG_PS_FRAME);
TAILQ_REMOVE(&pvh->pv_list, pv, pv_list);
TAILQ_REMOVE(&pvh->pv_list, pv, pv_next);
if (TAILQ_EMPTY(&pvh->pv_list)) {
for (mt = m; mt < &m[NBPDR / PAGE_SIZE]; mt++)
if ((mt->aflags & PGA_WRITEABLE) != 0 &&
@ -4508,7 +4508,7 @@ pmap_remove_pages(pmap_t pmap)
}
} else {
pmap_resident_count_dec(pmap, 1);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
if ((m->aflags & PGA_WRITEABLE) != 0 &&
TAILQ_EMPTY(&m->md.pv_list) &&
(m->flags & PG_FICTITIOUS) == 0) {
@ -4583,7 +4583,7 @@ pmap_is_modified_pvh(struct md_page *pvh)
rw_assert(&pvh_global_lock, RA_WLOCKED);
rv = FALSE;
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pte = pmap_pte(pmap, pv->pv_va);
@ -4654,7 +4654,7 @@ pmap_is_referenced_pvh(struct md_page *pvh)
rw_assert(&pvh_global_lock, RA_WLOCKED);
rv = FALSE;
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pte = pmap_pte(pmap, pv->pv_va);
@ -4695,7 +4695,7 @@ pmap_remove_write(vm_page_t m)
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, next_pv) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, next_pv) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
va = pv->pv_va;
@ -4705,7 +4705,7 @@ pmap_remove_write(vm_page_t m)
PMAP_UNLOCK(pmap);
}
small_mappings:
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);
@ -4758,7 +4758,7 @@ pmap_ts_referenced(vm_page_t m)
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, pvn) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, pvn) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
va = pv->pv_va;
@ -4792,9 +4792,9 @@ pmap_ts_referenced(vm_page_t m)
if ((pv = TAILQ_FIRST(&m->md.pv_list)) != NULL) {
pvf = pv;
do {
pvn = TAILQ_NEXT(pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
pvn = TAILQ_NEXT(pv, pv_next);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);
@ -4846,7 +4846,7 @@ pmap_clear_modify(vm_page_t m)
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, next_pv) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, next_pv) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
va = pv->pv_va;
@ -4878,7 +4878,7 @@ pmap_clear_modify(vm_page_t m)
PMAP_UNLOCK(pmap);
}
small_mappings:
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);
@ -4915,7 +4915,7 @@ pmap_clear_reference(vm_page_t m)
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, next_pv) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, next_pv) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
va = pv->pv_va;
@ -4938,7 +4938,7 @@ pmap_clear_reference(vm_page_t m)
PMAP_UNLOCK(pmap);
}
small_mappings:
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);

2
sys/amd64/include/pmap.h
View File

@ -277,7 +277,7 @@ extern struct pmap kernel_pmap_store;
*/
typedef struct pv_entry {
vm_offset_t pv_va; /* virtual address for mapping */
TAILQ_ENTRY(pv_entry) pv_list;
TAILQ_ENTRY(pv_entry) pv_next;
} *pv_entry_t;
/*

56
sys/i386/i386/pmap.c
View File

@ -2286,7 +2286,7 @@ pmap_pv_reclaim(pmap_t locked_pmap)
vm_page_dirty(m);
if ((tpte & PG_A) != 0)
vm_page_aflag_set(m, PGA_REFERENCED);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
if (TAILQ_EMPTY(&m->md.pv_list) &&
(m->flags & PG_FICTITIOUS) == 0) {
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
@ -2491,9 +2491,9 @@ pmap_pvh_remove(struct md_page *pvh, pmap_t pmap, vm_offset_t va)
pv_entry_t pv;
rw_assert(&pvh_global_lock, RA_WLOCKED);
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
if (pmap == PV_PMAP(pv) && va == pv->pv_va) {
TAILQ_REMOVE(&pvh->pv_list, pv, pv_list);
TAILQ_REMOVE(&pvh->pv_list, pv, pv_next);
break;
}
}
@ -2521,7 +2521,7 @@ pmap_pv_demote_pde(pmap_t pmap, vm_offset_t va, vm_paddr_t pa)
pv = pmap_pvh_remove(pvh, pmap, va);
KASSERT(pv != NULL, ("pmap_pv_demote_pde: pv not found"));
m = PHYS_TO_VM_PAGE(pa);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
/* Instantiate the remaining NPTEPG - 1 pv entries. */
va_last = va + NBPDR - PAGE_SIZE;
do {
@ -2557,7 +2557,7 @@ pmap_pv_promote_pde(pmap_t pmap, vm_offset_t va, vm_paddr_t pa)
pv = pmap_pvh_remove(&m->md, pmap, va);
KASSERT(pv != NULL, ("pmap_pv_promote_pde: pv not found"));
pvh = pa_to_pvh(pa);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_next);
/* Free the remaining NPTEPG - 1 pv entries. */
va_last = va + NBPDR - PAGE_SIZE;
do {
@ -2604,7 +2604,7 @@ pmap_insert_entry(pmap_t pmap, vm_offset_t va, vm_page_t m)
PMAP_LOCK_ASSERT(pmap, MA_OWNED);
pv = get_pv_entry(pmap, FALSE);
pv->pv_va = va;
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
}
/*
@ -2620,7 +2620,7 @@ pmap_try_insert_pv_entry(pmap_t pmap, vm_offset_t va, vm_page_t m)
if (pv_entry_count < pv_entry_high_water &&
(pv = get_pv_entry(pmap, TRUE)) != NULL) {
pv->pv_va = va;
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
return (TRUE);
} else
return (FALSE);
@ -2640,7 +2640,7 @@ pmap_pv_insert_pde(pmap_t pmap, vm_offset_t va, vm_paddr_t pa)
(pv = get_pv_entry(pmap, TRUE)) != NULL) {
pv->pv_va = va;
pvh = pa_to_pvh(pa);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&pvh->pv_list, pv, pv_next);
return (TRUE);
} else
return (FALSE);
@ -3095,7 +3095,7 @@ pmap_remove_all(vm_page_t m)
vm_page_dirty(m);
pmap_unuse_pt(pmap, pv->pv_va, &free);
pmap_invalidate_page(pmap, pv->pv_va);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
free_pv_entry(pmap, pv);
PMAP_UNLOCK(pmap);
}
@ -3550,7 +3550,7 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_prot_t access, vm_page_t m,
if (pv == NULL)
pv = get_pv_entry(pmap, FALSE);
pv->pv_va = va;
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
pa |= PG_MANAGED;
} else if (pv != NULL)
free_pv_entry(pmap, pv);
@ -4258,7 +4258,7 @@ pmap_page_exists_quick(pmap_t pmap, vm_page_t m)
("pmap_page_exists_quick: page %p is not managed", m));
rv = FALSE;
rw_wlock(&pvh_global_lock);
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
if (PV_PMAP(pv) == pmap) {
rv = TRUE;
break;
@ -4269,7 +4269,7 @@ pmap_page_exists_quick(pmap_t pmap, vm_page_t m)
}
if (!rv && loops < 16 && (m->flags & PG_FICTITIOUS) == 0) {
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
if (PV_PMAP(pv) == pmap) {
rv = TRUE;
break;
@ -4321,7 +4321,7 @@ pmap_pvh_wired_mappings(struct md_page *pvh, int count)
rw_assert(&pvh_global_lock, RA_WLOCKED);
sched_pin();
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pte = pmap_pte_quick(pmap, pv->pv_va);
@ -4448,7 +4448,7 @@ pmap_remove_pages(pmap_t pmap)
if ((tpte & PG_PS) != 0) {
pmap->pm_stats.resident_count -= NBPDR / PAGE_SIZE;
pvh = pa_to_pvh(tpte & PG_PS_FRAME);
TAILQ_REMOVE(&pvh->pv_list, pv, pv_list);
TAILQ_REMOVE(&pvh->pv_list, pv, pv_next);
if (TAILQ_EMPTY(&pvh->pv_list)) {
for (mt = m; mt < &m[NBPDR / PAGE_SIZE]; mt++)
if (TAILQ_EMPTY(&mt->md.pv_list))
@ -4466,7 +4466,7 @@ pmap_remove_pages(pmap_t pmap)
}
} else {
pmap->pm_stats.resident_count--;
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
if (TAILQ_EMPTY(&m->md.pv_list) &&
(m->flags & PG_FICTITIOUS) == 0) {
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
@ -4536,7 +4536,7 @@ pmap_is_modified_pvh(struct md_page *pvh)
rw_assert(&pvh_global_lock, RA_WLOCKED);
rv = FALSE;
sched_pin();
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pte = pmap_pte_quick(pmap, pv->pv_va);
@ -4609,7 +4609,7 @@ pmap_is_referenced_pvh(struct md_page *pvh)
rw_assert(&pvh_global_lock, RA_WLOCKED);
rv = FALSE;
sched_pin();
TAILQ_FOREACH(pv, &pvh->pv_list, pv_list) {
TAILQ_FOREACH(pv, &pvh->pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pte = pmap_pte_quick(pmap, pv->pv_va);
@ -4652,7 +4652,7 @@ pmap_remove_write(vm_page_t m)
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, next_pv) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, next_pv) {
va = pv->pv_va;
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
@ -4662,7 +4662,7 @@ pmap_remove_write(vm_page_t m)
PMAP_UNLOCK(pmap);
}
small_mappings:
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);
@ -4721,7 +4721,7 @@ pmap_ts_referenced(vm_page_t m)
sched_pin();
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, pvn) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, pvn) {
va = pv->pv_va;
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
@ -4755,9 +4755,9 @@ pmap_ts_referenced(vm_page_t m)
if ((pv = TAILQ_FIRST(&m->md.pv_list)) != NULL) {
pvf = pv;
do {
pvn = TAILQ_NEXT(pv, pv_list);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
pvn = TAILQ_NEXT(pv, pv_next);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next);
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);
@ -4811,7 +4811,7 @@ pmap_clear_modify(vm_page_t m)
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, next_pv) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, next_pv) {
va = pv->pv_va;
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
@ -4848,7 +4848,7 @@ pmap_clear_modify(vm_page_t m)
PMAP_UNLOCK(pmap);
}
small_mappings:
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);
@ -4892,7 +4892,7 @@ pmap_clear_reference(vm_page_t m)
if ((m->flags & PG_FICTITIOUS) != 0)
goto small_mappings;
pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_list, next_pv) {
TAILQ_FOREACH_SAFE(pv, &pvh->pv_list, pv_next, next_pv) {
va = pv->pv_va;
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
@ -4915,7 +4915,7 @@ pmap_clear_reference(vm_page_t m)
PMAP_UNLOCK(pmap);
}
small_mappings:
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
pmap = PV_PMAP(pv);
PMAP_LOCK(pmap);
pde = pmap_pde(pmap, pv->pv_va);
@ -5426,7 +5426,7 @@ pmap_pvdump(vm_paddr_t pa)
printf("pa %x", pa);
m = PHYS_TO_VM_PAGE(pa);
TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
pmap = PV_PMAP(pv);
printf(" -> pmap %p, va %x", (void *)pmap, pv->pv_va);
pads(pmap);

2
sys/i386/include/pmap.h
View File

@ -468,7 +468,7 @@ extern struct pmap kernel_pmap_store;
*/
typedef struct pv_entry {
vm_offset_t pv_va; /* virtual address for mapping */
TAILQ_ENTRY(pv_entry) pv_list;
TAILQ_ENTRY(pv_entry) pv_next;
} *pv_entry_t;
/*