diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 86975dec0ba160feadfb8aa0d13b8f2be943638d..216114f6ef0b7f8c09378edd3615d6a39527ead0 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1495,6 +1495,13 @@ int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) goto clear_pmdnuma; } + /* + * The page_table_lock above provides a memory barrier + * with change_protection_range. + */ + if (mm_tlb_flush_pending(vma->vm_mm)) + flush_tlb_range(vma, haddr, haddr + HPAGE_PMD_SIZE); + /* * Migrate the THP to the requested node, returns with page unlocked * and access rights restored. diff --git a/mm/migrate.c b/mm/migrate.c index 62767155187356d54d1fa7333ad402e76183ca0b..d68a41da6abb0743d6b09cc49c5c9524463715c3 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1937,12 +1937,6 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm, put_page(new_page); goto out_fail; } - /* - * We are not sure a pending tlb flush here is for a huge page - * mapping or not. Hence use the tlb range variant - */ - if (mm_tlb_flush_pending(mm)) - flush_tlb_range(vma, mmun_start, mmun_end); /* Prepare a page as a migration target */ __SetPageLocked(new_page);