X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=mm%2Fmigrate.c;h=89a0a1707f4c67deb77dc466cb6f5c2ecfe19051;hb=6cde26fda11b3e7bcc17574c6a71e96ac40f2573;hp=738f1d5f83503e546960d005a034abf2dde2c0e7;hpb=5958cc49ed2961a059d92ae55afeeaba64a783a0;p=mirror_ubuntu-artful-kernel.git

diff --git a/mm/migrate.c b/mm/migrate.c
index 738f1d5f8350..89a0a1707f4c 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -194,7 +194,7 @@ void putback_movable_pages(struct list_head *l)
 /*
  * Restore a potential migration pte to a working pte entry
  */
-static int remove_migration_pte(struct page *page, struct vm_area_struct *vma,
+static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma,
 				 unsigned long addr, void *old)
 {
 	struct page_vma_mapped_walk pvmw = {
@@ -253,7 +253,7 @@ static int remove_migration_pte(struct page *page, struct vm_area_struct *vma,
 		update_mmu_cache(vma, pvmw.address, pvmw.pte);
 	}
 
-	return SWAP_AGAIN;
+	return true;
 }
 
 /*
@@ -1722,9 +1722,6 @@ static bool migrate_balanced_pgdat(struct pglist_data *pgdat,
 {
 	int z;
 
-	if (!pgdat_reclaimable(pgdat))
-		return false;
-
 	for (z = pgdat->nr_zones - 1; z >= 0; z--) {
 		struct zone *zone = pgdat->node_zones + z;
 
@@ -1947,7 +1944,8 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
 
 	/* Prepare a page as a migration target */
 	__SetPageLocked(new_page);
-	__SetPageSwapBacked(new_page);
+	if (PageSwapBacked(page))
+		__SetPageSwapBacked(new_page);
 
 	/* anon mapping, we can simply copy page->mapping to the new page: */
 	new_page->mapping = page->mapping;