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-rw-r--r--mm/memory-failure.c22
1 files changed, 0 insertions, 22 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index a810ab1519f0..62ebb1b7f4bf 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1697,20 +1697,7 @@ static int __soft_offline_page(struct page *page, int flags)
if (ret > 0)
ret = -EIO;
} else {
- /*
- * After page migration succeeds, the source page can
- * be trapped in pagevec and actual freeing is delayed.
- * Freeing code works differently based on PG_hwpoison,
- * so there's a race. We need to make sure that the
- * source page should be freed back to buddy before
- * setting PG_hwpoison.
- */
- if (!is_free_buddy_page(page))
- drain_all_pages(page_zone(page));
SetPageHWPoison(page);
- if (!is_free_buddy_page(page))
- pr_info("soft offline: %#lx: page leaked\n",
- pfn);
atomic_long_inc(&num_poisoned_pages);
}
} else {
@@ -1762,14 +1749,6 @@ int soft_offline_page(struct page *page, int flags)
get_online_mems();
- /*
- * Isolate the page, so that it doesn't get reallocated if it
- * was free. This flag should be kept set until the source page
- * is freed and PG_hwpoison on it is set.
- */
- if (get_pageblock_migratetype(page) != MIGRATE_ISOLATE)
- set_migratetype_isolate(page, true);
-
ret = get_any_page(page, pfn, flags);
put_online_mems();
if (ret > 0) { /* for in-use pages */
@@ -1788,6 +1767,5 @@ int soft_offline_page(struct page *page, int flags)
atomic_long_inc(&num_poisoned_pages);
}
}
- unset_migratetype_isolate(page, MIGRATE_MOVABLE);
return ret;
}