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authorChris Mason <clm@fb.com>2016-05-17 14:43:19 -0700
committerChris Mason <clm@fb.com>2016-05-17 14:43:19 -0700
commitc315ef8d9db7f1a0ebd023a395ebdfde1c68057e (patch)
tree501e1fc558de9e56b78e457aa928fa255e660486 /mm/migrate.c
parenta88336d13c66fc171f336c6332fcb67339894e08 (diff)
parent5f9a8a51d8b95505d8de8b7191ae2ed8c504d4af (diff)
downloadlinux-c315ef8d9db7f1a0ebd023a395ebdfde1c68057e.tar.bz2
Merge branch 'for-chris-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/fdmanana/linux into for-linus-4.7
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 6c822a7b27e0..f9dfb18a4eba 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -975,7 +975,13 @@ 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();