X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Fmprotect.c;h=412ba2b7326a2898d25e4b0a43b3dfd921a389a1;hb=0255d491848032f6c601b6410c3b8ebded3a37b1;hp=94722a4d6b438311de1d1690d81a0d598a907339;hpb=7b5c4a65cc27f017c170b025f8d6d75dabb11c6f;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git diff --git a/mm/mprotect.c b/mm/mprotect.c index 94722a4..412ba2b 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -94,13 +94,16 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd, swp_entry_t entry = pte_to_swp_entry(oldpte); if (is_write_migration_entry(entry)) { + pte_t newpte; /* * A protection check is difficult so * just be safe and disable write */ make_migration_entry_read(&entry); - set_pte_at(mm, addr, pte, - swp_entry_to_pte(entry)); + newpte = swp_entry_to_pte(entry); + if (pte_swp_soft_dirty(oldpte)) + newpte = pte_swp_mksoft_dirty(newpte); + set_pte_at(mm, addr, pte, newpte); } pages++; } @@ -145,7 +148,7 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, split_huge_page_pmd(vma, addr, pmd); else if (change_huge_pmd(vma, pmd, addr, newprot, prot_numa)) { - pages += HPAGE_PMD_NR; + pages++; continue; } /* fall through */