Add vm_page_any_valid()
Use it and several other vm_page_*_valid() functions in more places. Suggested and reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D37024
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@ -6009,7 +6009,7 @@ pmap_demote_pde_locked(pmap_t pmap, pd_entry_t *pde, vm_offset_t va,
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* If the page table page is not leftover from an earlier promotion,
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* initialize it.
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*/
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if (mpte->valid == 0)
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if (vm_page_none_valid(mpte))
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pmap_fill_ptp(firstpte, newpte);
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pmap_demote_pde_check(firstpte, newpte);
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@ -6085,7 +6085,7 @@ pmap_remove_kernel_pde(pmap_t pmap, pd_entry_t *pde, vm_offset_t va)
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* If this page table page was unmapped by a promotion, then it
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* contains valid mappings. Zero it to invalidate those mappings.
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*/
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if (mpte->valid != 0)
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if (vm_page_any_valid(mpte))
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pagezero((void *)PHYS_TO_DMAP(mptepa));
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/*
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@ -6151,7 +6151,7 @@ pmap_remove_pde(pmap_t pmap, pd_entry_t *pdq, vm_offset_t sva,
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} else {
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mpte = pmap_remove_pt_page(pmap, sva);
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if (mpte != NULL) {
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KASSERT(mpte->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(mpte),
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("pmap_remove_pde: pte page not promoted"));
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pmap_pt_page_count_adj(pmap, -1);
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KASSERT(mpte->ref_count == NPTEPG,
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@ -7678,7 +7678,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr, vm_object_t object,
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if (!vm_object_populate(object, pindex, pindex + atop(size)))
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return;
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p = vm_page_lookup(object, pindex);
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KASSERT(p->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(p),
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("pmap_object_init_pt: invalid page %p", p));
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pat_mode = p->md.pat_mode;
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@ -7698,7 +7698,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr, vm_object_t object,
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p = TAILQ_NEXT(p, listq);
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for (pa = ptepa + PAGE_SIZE; pa < ptepa + size;
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pa += PAGE_SIZE) {
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KASSERT(p->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(p),
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("pmap_object_init_pt: invalid page %p", p));
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if (pa != VM_PAGE_TO_PHYS(p) ||
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pat_mode != p->md.pat_mode)
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@ -8445,7 +8445,7 @@ pmap_remove_pages(pmap_t pmap)
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}
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mpte = pmap_remove_pt_page(pmap, pv->pv_va);
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if (mpte != NULL) {
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KASSERT(mpte->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(mpte),
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("pmap_remove_pages: pte page not promoted"));
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pmap_pt_page_count_adj(pmap, -1);
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KASSERT(mpte->ref_count == NPTEPG,
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@ -2847,7 +2847,7 @@ pmap_demote_pde(pmap_t pmap, pd_entry_t *pde, vm_offset_t va)
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* If the page table page is not leftover from an earlier promotion,
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* initialize it.
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*/
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if (mpte->valid == 0)
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if (vm_page_none_valid(mpte))
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pmap_fill_ptp(firstpte, newpte);
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KASSERT((*firstpte & PG_FRAME) == (newpte & PG_FRAME),
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@ -2922,7 +2922,7 @@ pmap_remove_kernel_pde(pmap_t pmap, pd_entry_t *pde, vm_offset_t va)
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* If this page table page was unmapped by a promotion, then it
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* contains valid mappings. Zero it to invalidate those mappings.
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*/
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if (mpte->valid != 0)
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if (vm_page_any_valid(mpte))
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pagezero((void *)&KPTmap[i386_btop(trunc_4mpage(va))]);
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/*
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@ -2986,7 +2986,7 @@ pmap_remove_pde(pmap_t pmap, pd_entry_t *pdq, vm_offset_t sva,
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} else {
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mpte = pmap_remove_pt_page(pmap, sva);
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if (mpte != NULL) {
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KASSERT(mpte->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(mpte),
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("pmap_remove_pde: pte page not promoted"));
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pmap->pm_stats.resident_count--;
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KASSERT(mpte->ref_count == NPTEPG,
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@ -4209,7 +4209,7 @@ __CONCAT(PMTYPE, object_init_pt)(pmap_t pmap, vm_offset_t addr,
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if (!vm_object_populate(object, pindex, pindex + atop(size)))
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return;
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p = vm_page_lookup(object, pindex);
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KASSERT(p->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(p),
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("pmap_object_init_pt: invalid page %p", p));
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pat_mode = p->md.pat_mode;
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@ -4229,7 +4229,7 @@ __CONCAT(PMTYPE, object_init_pt)(pmap_t pmap, vm_offset_t addr,
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p = TAILQ_NEXT(p, listq);
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for (pa = ptepa + PAGE_SIZE; pa < ptepa + size;
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pa += PAGE_SIZE) {
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KASSERT(p->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(p),
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("pmap_object_init_pt: invalid page %p", p));
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if (pa != VM_PAGE_TO_PHYS(p) ||
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pat_mode != p->md.pat_mode)
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@ -4837,7 +4837,7 @@ __CONCAT(PMTYPE, remove_pages)(pmap_t pmap)
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}
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mpte = pmap_remove_pt_page(pmap, pv->pv_va);
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if (mpte != NULL) {
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KASSERT(mpte->valid == VM_PAGE_BITS_ALL,
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KASSERT(vm_page_all_valid(mpte),
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("pmap_remove_pages: pte page not promoted"));
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pmap->pm_stats.resident_count--;
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KASSERT(mpte->ref_count == NPTEPG,
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@ -2548,7 +2548,7 @@ vm_page_alloc_check(vm_page_t m)
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KASSERT(pmap_page_get_memattr(m) == VM_MEMATTR_DEFAULT,
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("page %p has unexpected memattr %d",
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m, pmap_page_get_memattr(m)));
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KASSERT(m->valid == 0, ("free page %p is valid", m));
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KASSERT(vm_page_none_valid(m), ("free page %p is valid", m));
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pmap_vm_page_alloc_check(m);
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}
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@ -4226,7 +4226,7 @@ vm_page_release_toq(vm_page_t m, uint8_t nqueue, const bool noreuse)
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* If we were asked to not cache the page, place it near the head of the
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* inactive queue so that is reclaimed sooner.
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*/
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if (noreuse || m->valid == 0) {
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if (noreuse || vm_page_none_valid(m)) {
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nqueue = PQ_INACTIVE;
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nflag = PGA_REQUEUE_HEAD;
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} else {
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@ -4704,7 +4704,8 @@ vm_page_grab_valid(vm_page_t *mp, vm_object_t object, vm_pindex_t pindex, int al
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ma[0] = m;
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for (i = 1; i < after; i++) {
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if ((ma[i] = vm_page_next(ma[i - 1])) != NULL) {
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if (ma[i]->valid || !vm_page_tryxbusy(ma[i]))
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if (vm_page_any_valid(ma[i]) ||
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!vm_page_tryxbusy(ma[i]))
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break;
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} else {
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ma[i] = vm_page_alloc(object, m->pindex + i,
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@ -5392,7 +5393,7 @@ vm_page_is_valid(vm_page_t m, int base, int size)
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vm_page_bits_t bits;
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bits = vm_page_bits(base, size);
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return (m->valid != 0 && (m->valid & bits) == bits);
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return (vm_page_any_valid(m) && (m->valid & bits) == bits);
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}
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/*
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@ -993,6 +993,13 @@ vm_page_all_valid(vm_page_t m)
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return (m->valid == VM_PAGE_BITS_ALL);
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}
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static inline bool
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vm_page_any_valid(vm_page_t m)
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{
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return (m->valid != 0);
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}
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static inline bool
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vm_page_none_valid(vm_page_t m)
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{
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