diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2023-07-11 13:50:11 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 10:12:19 -0700 |
| commit | 80ee7cb271b52e5861eda3c67731c95fd55a2627 (patch) | |
| tree | 1227b391f0e5bd7ce636b24e431a41143d6d388b /mm/memory-failure.c | |
| parent | 92a025a790f82c278cc39b0997e9b3b6f3b69ee0 (diff) | |
mm: memory-failure: don't account hwpoison_filter() filtered pages
mf_generic_kill_procs() will return -EOPNOTSUPP when hwpoison_filter()
filtered dax page. In that case, action_result() isn't expected to be
called to update mf_stats. This will results in inaccurate but benign
memory failure handling statistics.
Link: https://lkml.kernel.org/r/20230711055016.2286677-4-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 71b4bb691c47..cac5413c5cc3 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2098,7 +2098,8 @@ static int memory_failure_dev_pagemap(unsigned long pfn, int flags, out: /* drop pgmap ref acquired in caller */ put_dev_pagemap(pgmap); - action_result(pfn, MF_MSG_DAX, rc ? MF_FAILED : MF_RECOVERED); + if (rc != -EOPNOTSUPP) + action_result(pfn, MF_MSG_DAX, rc ? MF_FAILED : MF_RECOVERED); return rc; } |