drm/bridge: dw_hdmi: clear ih_mute register when system resume
[firefly-linux-kernel-4.4.55.git] / mm / migrate.c
index 7890d0bb5e23c3db75cc682878a2c5ec89b0e513..72c09dea65266e7d66bd2266659de4a2934a60e4 100644 (file)
@@ -429,6 +429,7 @@ int migrate_page_move_mapping(struct address_space *mapping,
 
        return MIGRATEPAGE_SUCCESS;
 }
+EXPORT_SYMBOL(migrate_page_move_mapping);
 
 /*
  * The expected number of remaining references is the same as that
@@ -579,6 +580,7 @@ void migrate_page_copy(struct page *newpage, struct page *page)
        if (PageWriteback(newpage))
                end_page_writeback(newpage);
 }
+EXPORT_SYMBOL(migrate_page_copy);
 
 /************************************************************
  *                    Migration functions
@@ -963,7 +965,13 @@ out:
                dec_zone_page_state(page, NR_ISOLATED_ANON +
                                page_is_file_cache(page));
                /* Soft-offlined page shouldn't go through lru cache list */
-               if (reason == MR_MEMORY_FAILURE) {
+               if (reason == MR_MEMORY_FAILURE && rc == MIGRATEPAGE_SUCCESS) {
+                       /*
+                        * With this release, we free successfully migrated
+                        * page and set PG_HWPoison on just freed page
+                        * intentionally. Although it's rather weird, it's how
+                        * HWPoison flag works at the moment.
+                        */
                        put_page(page);
                        if (!test_set_page_hwpoison(page))
                                num_poisoned_pages_inc();
@@ -1578,7 +1586,7 @@ static struct page *alloc_misplaced_dst_page(struct page *page,
                                         (GFP_HIGHUSER_MOVABLE |
                                          __GFP_THISNODE | __GFP_NOMEMALLOC |
                                          __GFP_NORETRY | __GFP_NOWARN) &
-                                        ~(__GFP_IO | __GFP_FS), 0);
+                                        ~__GFP_RECLAIM, 0);
 
        return newpage;
 }