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Thu, 27 Jul 2023 19:56:51 +0800 From: Miaohe Lin To: , CC: , , , Subject: [PATCH v2 4/4] mm: memory-failure: add PageOffline() check Date: Thu, 27 Jul 2023 19:56:43 +0800 Message-ID: <20230727115643.639741-5-linmiaohe@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230727115643.639741-1-linmiaohe@huawei.com> References: <20230727115643.639741-1-linmiaohe@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.151.185] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 6FEDF18000E X-Stat-Signature: 55bhjzkzzggf79dmhqy4ffichn8rk17s X-Rspam-User: X-HE-Tag: 1690459016-863703 X-HE-Meta: U2FsdGVkX1/RygHWbMP4NcrDzx9fWehCNQ4HFvrulqYetuInWzoqN+zD8auTRUiBSALdIct+4Lb/puzVudQ/Zak1EfTJS31rLqQvZb4V0AB+KItFn0jYtFPSkNcc1th5xxJujt7DGgqyRviaaVf4yk1Pe1XK+OvdiIhmj2p6GA7mSCDswaSHCcFDA6z54ODvTyTT2BjXdfTOJIrnE9Iv7a9e1eWlZ9ApOQT0jE21E/xBFPUe5KiUY0+ip5U2cZWHljoorpyH7hZ0x1V9pYnGOQzVBxkjI+rQx6z4nIMr8XM8oR1H3IJJnDbyaBZuY4p5RSoPPHLGt+h0+jlKnUS2zHiAlkBleCdZNDJX6AHwjhmguoKuPl1VB7P86U/qEM3pLhjuSYQJtrET9eoc/rIaImYgee+Y9l/j1BJi3qzIQN5DWwI99i6VTo5FCyL4GVaATjCmNzh98JGO6W9zeuqRiFvm4M7StUtYzF+aqOUo5t9qjztIrVgPUcfjRPsuUR8XwpUvegDlbbEklE0yyLaQDEiIUbSYXJeS7lSZOPDWLXxhjgu8anP9trzfdeGiGtEoSMFZx7ZX2PDqwU3g3uo7zfIohl24+FBc9yZQQcvSPjAJxY9YS0zsKguSmqqomDuzy2+LB+TcsPpQbAyBeC+0UwsB/MqnxNMEqwpk8X14ZXu9bV5OveKc7L7igCRKmNpEaieR3yMks7fQinU6ap1w3EsZbzg2I6TKcx/SxD4JGxjvt/TU4h9Sm1h3rr1YTKt9fGVfBYmVuSZYhbOml/15PxLKsOjtQbym/iwlePQL1zfxMckjoRh9dhlMNfHXYDk2IZVPLMafR07GlOZpDBChLPdMNj89F7/O7/2I2O6k7lMU+cjytsjho1OFEVqkGVuGXzylzxeT4KhZQtrCsbFoqcPqvrvFF5oJUkwSYMiMsPGiAwJ6g/LZSKJ/QNhfjnI5ODPcZgwe68SRPy9D36n PPqv62ym 8qIer3kn+gL62yIuHSt6+5AtUXSR/+wSyuY2A6WWUCu9B3lI22goG51uXq6R9ZEaIPJKV3iOaNcrhJnrVKY2pkSug2YAgRk6I/T753Tjrje/QaOd7ld+znbzZ8Bl2GSBEyvV8P098T0i3GOHkoVQ5bou1aVSP5qSpwNWNIVDpuSyt2KY= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Memory failure is not interested in logically offlined page. Skip this type of pages. Signed-off-by: Miaohe Lin Acked-by: Naoya Horiguchi --- mm/memory-failure.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index d975a6b224f7..e4c4b9dc852f 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1561,7 +1561,7 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn, * Here we are interested only in user-mapped pages, so skip any * other types of pages. */ - if (PageReserved(p) || PageSlab(p) || PageTable(p)) + if (PageReserved(p) || PageSlab(p) || PageTable(p) || PageOffline(p)) return true; if (!(PageLRU(hpage) || PageHuge(p))) return true; @@ -2535,7 +2535,8 @@ int unpoison_memory(unsigned long pfn) goto unlock_mutex; } - if (folio_test_slab(folio) || PageTable(&folio->page) || folio_test_reserved(folio)) + if (folio_test_slab(folio) || PageTable(&folio->page) || + folio_test_reserved(folio) || PageOffline(&folio->page)) goto unlock_mutex; /*