omap2+: add drm device

[pandora-kernel.git] / mm / memory-failure.c

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 06d3479..1043528 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1400,7 +1400,7 @@ static int get_any_page(struct page *p, unsigned long pfn, int flags)
                /* Not a free page */
                ret = 1;
        }
-       unset_migratetype_isolate(p);
+       unset_migratetype_isolate(p, MIGRATE_MOVABLE);
        unlock_memory_hotplug();
        return ret;
 }
@@ -1427,8 +1427,8 @@ static int soft_offline_huge_page(struct page *page, int flags)
        /* Keep page count to indicate a given hugepage is isolated. */
 
        list_add(&hpage->lru, &pagelist);
-       ret = migrate_huge_pages(&pagelist, new_page, MPOL_MF_MOVE_ALL, 0,
-                               true);
+       ret = migrate_huge_pages(&pagelist, new_page, MPOL_MF_MOVE_ALL, false,
+                               MIGRATE_SYNC);
        if (ret) {
                struct page *page1, *page2;
                list_for_each_entry_safe(page1, page2, &pagelist, lru)
@@ -1475,9 +1475,17 @@ int soft_offline_page(struct page *page, int flags)
 {
        int ret;
        unsigned long pfn = page_to_pfn(page);
+       struct page *hpage = compound_trans_head(page);
 
        if (PageHuge(page))
                return soft_offline_huge_page(page, flags);
+       if (PageTransHuge(hpage)) {
+               if (PageAnon(hpage) && unlikely(split_huge_page(hpage))) {
+                       pr_info("soft offline: %#lx: failed to split THP\n",
+                               pfn);
+                       return -EBUSY;
+               }
+       }
 
        ret = get_any_page(page, pfn, flags);
        if (ret < 0)
@@ -1557,7 +1565,7 @@ int soft_offline_page(struct page *page, int flags)
                                            page_is_file_cache(page));
                list_add(&page->lru, &pagelist);
                ret = migrate_pages(&pagelist, new_page, MPOL_MF_MOVE_ALL,
-                                                               0, true);
+                                                       false, MIGRATE_SYNC);
                if (ret) {
                        putback_lru_pages(&pagelist);
                        pr_info("soft offline: %#lx: migration failed %d, type %lx\n",