linux-master/mm/debug_vm_pgtable.c

184 	pmd_t pmd;
190 	pmd = pfn_pmd(args->fixed_pmd_pfn, prot);
199 	WARN_ON(pmd_dirty(pmd_wrprotect(pmd)));
202 	WARN_ON(!pmd_same(pmd, pmd));
203 	WARN_ON(!pmd_young(pmd_mkyoung(pmd_mkold(pmd))));
204 	WARN_ON(!pmd_dirty(pmd_mkdirty(pmd_mkclean(pmd))));
205 	WARN_ON(!pmd_write(pmd_mkwrite(pmd_wrprotect(pmd), args->vma)));
206 	WARN_ON(pmd_young(pmd_mkold(pmd_mkyoung(pmd))));
207 	WARN_ON(pmd_dirty(pmd_mkclean(pmd_mkdirty(pmd))));
208 	WARN_ON(pmd_write(pmd_wrprotect(pmd_mkwrite(pmd, args->vma))));
209 	WARN_ON(pmd_dirty(pmd_wrprotect(pmd_mkclean(pmd))));
210 	WARN_ON(!pmd_dirty(pmd_wrprotect(pmd_mkdirty(pmd))));
215 	WARN_ON(!pmd_bad(pmd_mkhuge(pmd)));
221 	pmd_t pmd;
244 	pmd = pfn_pmd(args->pmd_pfn, args->page_prot);
245 	set_pmd_at(args->mm, vaddr, args->pmdp, pmd);
248 	pmd = READ_ONCE(*args->pmdp);
249 	WARN_ON(pmd_write(pmd));
251 	pmd = READ_ONCE(*args->pmdp);
252 	WARN_ON(!pmd_none(pmd));
254 	pmd = pfn_pmd(args->pmd_pfn, args->page_prot);
255 	pmd = pmd_wrprotect(pmd);
256 	pmd = pmd_mkclean(pmd);
257 	set_pmd_at(args->mm, vaddr, args->pmdp, pmd);
259 	pmd = pmd_mkwrite(pmd, args->vma);
260 	pmd = pmd_mkdirty(pmd);
261 	pmdp_set_access_flags(args->vma, vaddr, args->pmdp, pmd, 1);
262 	pmd = READ_ONCE(*args->pmdp);
263 	WARN_ON(!(pmd_write(pmd) && pmd_dirty(pmd)));
265 	pmd = READ_ONCE(*args->pmdp);
266 	WARN_ON(!pmd_none(pmd));
268 	pmd = pmd_mkhuge(pfn_pmd(args->pmd_pfn, args->page_prot));
269 	pmd = pmd_mkyoung(pmd);
270 	set_pmd_at(args->mm, vaddr, args->pmdp, pmd);
273 	pmd = READ_ONCE(*args->pmdp);
274 	WARN_ON(pmd_young(pmd));
283 	pmd_t pmd;
289 	pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot);
294 	pmd = pmd_mkhuge(pmd);
295 	WARN_ON(!pmd_leaf(pmd));
444 	pmd_t pmd;
458 	pmd = READ_ONCE(*args->pmdp);
459 	WARN_ON(!pmd_none(pmd));
649 	pmd_t pmd = READ_ONCE(*args->pmdp);
652 	pmd = __pmd(pmd_val(pmd) | RANDOM_ORVALUE);
653 	WRITE_ONCE(*args->pmdp, pmd);
655 	pmd = READ_ONCE(*args->pmdp);
656 	WARN_ON(!pmd_none(pmd));
661 	pmd_t pmd;
669 	pmd = READ_ONCE(*args->pmdp);
670 	WARN_ON(pmd_bad(pmd));
699 	pmd_t pmd;
708 	pmd = pmd_mkhuge(pfn_pmd(args->fixed_pmd_pfn, args->page_prot_none));
709 	WARN_ON(!pmd_protnone(pmd));
710 	WARN_ON(!pmd_present(pmd));
728 	pmd_t pmd;
734 	pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot);
735 	WARN_ON(!pmd_devmap(pmd_mkdevmap(pmd)));
790 	pmd_t pmd;
799 	pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot);
800 	WARN_ON(!pmd_soft_dirty(pmd_mksoft_dirty(pmd)));
801 	WARN_ON(pmd_soft_dirty(pmd_clear_soft_dirty(pmd)));
806 	pmd_t pmd;
816 	pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot);
817 	WARN_ON(!pmd_swp_soft_dirty(pmd_swp_mksoft_dirty(pmd)));
818 	WARN_ON(pmd_swp_soft_dirty(pmd_swp_clear_soft_dirty(pmd)));
875 	pmd_t pmd;
881 	pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot);
882 	swp = __pmd_to_swp_entry(pmd);
883 	pmd = __swp_entry_to_pmd(swp);
884 	WARN_ON(args->fixed_pmd_pfn != pmd_pfn(pmd));
961 	pmd_t pmd;
974 	 * removing the present bit from the pmd, pmd_trans_huge() still
978 	pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot);
979 	WARN_ON(!pmd_trans_huge(pmd_mkhuge(pmd)));
982 	WARN_ON(!pmd_trans_huge(pmd_mkinvalid(pmd_mkhuge(pmd))));
983 	WARN_ON(!pmd_present(pmd_mkinvalid(pmd_mkhuge(pmd))));
1160 	 * address range on some architectures ({pmd,pud}_huge_test
1261 		pr_err("Failed to allocate pmd entries\n");