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From: Naoya Horiguchi To: Miaohe Lin Cc: akpm@linux-foundation.org, naoya.horiguchi@nec.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/8] mm: memory-failure: remove unneeded PageHuge() check Message-ID: <20230711090054.GA2221061@ik1-406-35019.vs.sakura.ne.jp> References: <20230711055016.2286677-1-linmiaohe@huawei.com> <20230711055016.2286677-2-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230711055016.2286677-2-linmiaohe@huawei.com> X-Migadu-Flow: FLOW_OUT X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 11, 2023 at 01:50:09PM +0800, Miaohe Lin wrote: > PageHuge() check in me_huge_page() is just for potential problems. Remove > it as it's actually dead code and won't catch anything. > > Signed-off-by: Miaohe Lin Thank you for updating. Acked-by: Naoya Horiguchi > --- > mm/memory-failure.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/mm/memory-failure.c b/mm/memory-failure.c > index 64d7d34c177a..913fcf02ad38 100644 > --- a/mm/memory-failure.c > +++ b/mm/memory-failure.c > @@ -1187,9 +1187,6 @@ static int me_huge_page(struct page_state *ps, struct page *p) > struct address_space *mapping; > bool extra_pins = false; > > - if (!PageHuge(hpage)) > - return MF_DELAYED; > - > mapping = page_mapping(hpage); > if (mapping) { > res = truncate_error_page(hpage, page_to_pfn(p), mapping); > -- > 2.33.0 > > >