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Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 7890d0bb5e23..b1034f9c77e7 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -165,9 +165,9 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma,
if (PageAnon(new))
hugepage_add_anon_rmap(new, vma, addr);
else
- page_dup_rmap(new);
+ page_dup_rmap(new, true);
} else if (PageAnon(new))
- page_add_anon_rmap(new, vma, addr);
+ page_add_anon_rmap(new, vma, addr, false);
else
page_add_file_rmap(new);
@@ -943,9 +943,13 @@ static ICE_noinline int unmap_and_move(new_page_t get_new_page,
goto out;
}
- if (unlikely(PageTransHuge(page)))
- if (unlikely(split_huge_page(page)))
+ if (unlikely(PageTransHuge(page))) {
+ lock_page(page);
+ rc = split_huge_page(page);
+ unlock_page(page);
+ if (rc)
goto out;
+ }
rc = __unmap_and_move(page, newpage, force, mode);
if (rc == MIGRATEPAGE_SUCCESS)
@@ -1756,6 +1760,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
HPAGE_PMD_ORDER);
if (!new_page)
goto out_fail;
+ prep_transhuge_page(new_page);
isolated = numamigrate_isolate_page(pgdat, page);
if (!isolated) {
@@ -1767,7 +1772,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
flush_tlb_range(vma, mmun_start, mmun_end);
/* Prepare a page as a migration target */
- __set_page_locked(new_page);
+ __SetPageLocked(new_page);
SetPageSwapBacked(new_page);
/* anon mapping, we can simply copy page->mapping to the new page: */
@@ -1815,7 +1820,7 @@ fail_putback:
* guarantee the copy is visible before the pagetable update.
*/
flush_cache_range(vma, mmun_start, mmun_end);
- page_add_anon_rmap(new_page, vma, mmun_start);
+ page_add_anon_rmap(new_page, vma, mmun_start, true);
pmdp_huge_clear_flush_notify(vma, mmun_start, pmd);
set_pmd_at(mm, mmun_start, pmd, entry);
flush_tlb_range(vma, mmun_start, mmun_end);
@@ -1826,14 +1831,14 @@ fail_putback:
flush_tlb_range(vma, mmun_start, mmun_end);
mmu_notifier_invalidate_range(mm, mmun_start, mmun_end);
update_mmu_cache_pmd(vma, address, &entry);
- page_remove_rmap(new_page);
+ page_remove_rmap(new_page, true);
goto fail_putback;
}
mlock_migrate_page(new_page, page);
set_page_memcg(new_page, page_memcg(page));
set_page_memcg(page, NULL);
- page_remove_rmap(page);
+ page_remove_rmap(page, true);
spin_unlock(ptl);
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);