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| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2022-10-21 16:46:10 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-08 17:37:21 -0800 |
| commit | 183a7c5d15d3c56f49955662d3edd0092141df78 (patch) | |
| tree | db12297ebfa0d9e0deac77032e2f4fba19a2f0ec | |
| parent | b5f1fc98c62b6b75e9f7499e7519dc67684affd3 (diff) | |
| download | linux-183a7c5d15d3c56f49955662d3edd0092141df78.tar.bz2 | |
mm: memory-failure: avoid pfn_valid() twice in soft_offline_page()
Simplify WARN_ON_ONCE(flags & MF_COUNT_INCREASED) under !pfn_valid().
Link: https://lkml.kernel.org/r/20221021084611.53765-2-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/memory-failure.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 8c6a19b9790f..b5e0dba02192 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2551,10 +2551,10 @@ int soft_offline_page(unsigned long pfn, int flags) bool try_again = true; struct page *page; - WARN_ON_ONCE(!pfn_valid(pfn) && (flags & MF_COUNT_INCREASED)); - - if (!pfn_valid(pfn)) + if (!pfn_valid(pfn)) { + WARN_ON_ONCE(flags & MF_COUNT_INCREASED); return -ENXIO; + } /* Only online pages can be soft-offlined (esp., not ZONE_DEVICE). */ page = pfn_to_online_page(pfn); |