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b=XwJWbYMflVEGgLIja1EWAoDBtXPLApa/NkhtMQDGRnVjjt8ci9J1uJS4baCLClDhH JhCTVMEaM4RnoWd5AE7v1RSt4+WHhsIMue+11gnSAPlkTWA3jsm/MztKnqM9HYEeYg F3HSfe9YPb6L13yci31ejGgFbBoYJK2sLluFBiRbBIi3K1112oKRwXmMH8XCDjiNUL O4zDHyOMnNvMLmr5Ff9Bj2+8yk4LsoiqXXgEIHKDsq6F5hm/JS2p/xGzzmlILvoWnP Ji1fJM1uOHgWg47TYrlX+f49ixOfpnWV5UxPoLlXiAw19dKwWcQVnkKgo3rIGsRrsP InFqbiVqMUrdg== From: Pratyush Yadav To: Huacai Chen Cc: George Guo , rppt@kernel.org, pasha.tatashin@soleen.com, pratyush@kernel.org, shuah@kernel.org, ardb@kernel.org, guodongtai@kylinos.cn, kernel@xen0n.name, graf@amazon.com, loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-efi@vger.kernel.org, Kexin Liu Subject: Re: [PATCH v4 3/4] liveupdate: luo_session: include linux/mm.h for virt/phys translation In-Reply-To: (Huacai Chen's message of "Mon, 10 Aug 2026 22:37:25 +0800") References: <20260807103714.33074-1-dongtai.guo@linux.dev> <20260807103714.33074-4-dongtai.guo@linux.dev> Date: Mon, 10 Aug 2026 19:39:01 +0200 Message-ID: <2vxzjypx6fka.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam07 X-Rspam-User: X-Stat-Signature: 4jo7uimds76w6ktnczau9e7j3qfxmp84 X-Rspamd-Queue-Id: F3E8E100014 X-HE-Tag: 1786383546-83007 X-HE-Meta: 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 wPD5V1vp 4jtZ3k2lTJP2WItyKkqhJjTkhEAFZ04l360k9TaACAS748IrpX13g0iYj87GMU/tnWOMzuMjFmFClXiAkRTCixWou1Ub02Oce5h9giIE1bvwi/VLF2DpMD8jdo8uQ4lMbmL2cIe+YCiryMdGsRiRcgPfJyZM/2axFTLnaiSJ/hU9SSZ54fki6vbqernYONrLZl/4yONNUHkD2t6CsQKR+ysHayl6//m4oLSwBz7RgEdJMRbVEetkAI6P1L6LwNllp0xc7o8htR8AkxSQRZpm5KiNZxA2wzE741yX8 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Aug 10 2026, Huacai Chen wrote: > Hi, George, > > This should be the 2nd patch. Agreed. With that done, Reviewed-by: Pratyush Yadav > > Huacai > > On Fri, Aug 7, 2026 at 6:39=E2=80=AFPM George Guo = wrote: >> >> From: George Guo >> >> luo_session.c calls virt_to_phys() and phys_to_virt(). On LoongArch with >> CONFIG_KFENCE=3Dy, these macros (in arch/loongarch/include/asm/io.h) exp= and >> to offset_in_page() and page_address(), both declared in . >> >> Since luo_session.c only includes , the translation unit fai= ls >> to build with CONFIG_KFENCE=3Dy: >> >> asm/io.h: error: implicit declaration of function 'offset_in_page' >> asm/io.h: error: implicit declaration of function 'page_address' >> >> Add the missing include to fix these build errors. >> >> Co-developed-by: Kexin Liu >> Signed-off-by: Kexin Liu >> Signed-off-by: George Guo >> Acked-by: Mike Rapoport (Microsoft) >> --- >> kernel/liveupdate/luo_session.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/kernel/liveupdate/luo_session.c b/kernel/liveupdate/luo_ses= sion.c >> index f38b5b18f3f8..31490ac7b63d 100644 >> --- a/kernel/liveupdate/luo_session.c >> +++ b/kernel/liveupdate/luo_session.c >> @@ -94,6 +94,7 @@ >> #include >> #include >> #include >> +#include >> #include >> #include >> #include >> -- >> 2.53.0 >> >> --=20 Regards, Pratyush Yadav