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AJvYcCUt6XASX1Z5LERplYkgxMhDj30ofl/jvJ00H1oOHKxjgqvpKIr8D4AGwU3u0TgDid1tKbRryhqHiw==@kvack.org X-Gm-Message-State: AOJu0YyMXYAPemm11nXSfXp6DK58jNChM4XYAVvqtyC3lp9KMimV53i9 bwlsSnwemKpXzSW7tT3nJzSjEXYM9E1EjswgMzPGIdS8GVync5rMMKH4YPPyT2ZOt84SPMyfJ0n Y7N861tAACoTeha4XEdEObDDMdImFnqCy8hO6 X-Google-Smtp-Source: AGHT+IEXJr25zlT2/Or5jyoEG/qxGlU0q4T86mW4zw4Fy3ho9UHUUSDfdVUJceCuGyGcOczXXANaLsG7KyVrMz2kH8o= X-Received: by 2002:a05:622a:548b:b0:453:5961:b880 with SMTP id d75a77b69052e-455080f464amr257731cf.10.1724349876431; Thu, 22 Aug 2024 11:04:36 -0700 (PDT) MIME-Version: 1.0 References: <20240629153128.4660755c@yea> <20240721010926.60efacc3@yea> In-Reply-To: From: Suren Baghdasaryan Date: Thu, 22 Aug 2024 11:04:22 -0700 Message-ID: Subject: Re: Kernel build failure with MEM_ALLOC_PROFILING=y set (Talos II, v6.10-rc5) To: LEROY Christophe Cc: Erhard Furtner , "linuxppc-dev@lists.ozlabs.org" , Andrew Morton , "linux-mm@kvack.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: CC2B51C0017 X-Stat-Signature: dqjibs5k71zched8tepnjc3d14ncig49 X-HE-Tag: 1724349877-474780 X-HE-Meta: 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 6lPplI2t 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002130, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Aug 22, 2024 at 10:18=E2=80=AFAM LEROY Christophe wrote: > > > > Le 21/07/2024 =C3=A0 01:09, Erhard Furtner a =C3=A9crit : > > [Vous ne recevez pas souvent de courriers de erhard_f@mailbox.org. D?co= uvrez pourquoi ceci est important ? https://aka.ms/LearnAboutSenderIdentifi= cation ] > > > > On Sat, 29 Jun 2024 15:31:28 +0200 > > Erhard Furtner wrote: > > > >> I get a build failure on v6.10-rc5 on my Talos II when MEM_ALLOC_PROFI= LING=3Dy is enabled: > >> > >> [...] > >> LD [M] fs/xfs/xfs.o > >> LD [M] fs/bcachefs/bcachefs.o > >> AR built-in.a > >> AR vmlinux.a > >> LD vmlinux.o > >> OBJCOPY modules.builtin.modinfo > >> GEN modules.builtin > >> GEN .vmlinux.objs > >> MODPOST Module.symvers > >> ERROR: modpost: "page_ext_get" [arch/powerpc/kvm/kvm-hv.ko] undefined! > >> ERROR: modpost: "mem_alloc_profiling_key" [arch/powerpc/kvm/kvm-hv.ko]= undefined! > >> ERROR: modpost: "page_ext_put" [arch/powerpc/kvm/kvm-hv.ko] undefined! > >> make[2]: *** [scripts/Makefile.modpost:145: Module.symvers] Fehler 1 > >> make[1]: *** [/usr/src/linux-stable/Makefile:1886: modpost] Fehler 2 > >> make: *** [Makefile:240: __sub-make] Fehler 2 > >> > >> Same .config builds fine without MEM_ALLOC_PROFILING set. Kernel .conf= ig attached. > > > > Build problem still there on now released v6.10 with MEM_ALLOC_PROFILIN= G=3Dy. > > > > Can't bisect as build with MEM_ALLOC_PROFILING fails since it's introdu= ction in v6.10-rc1. > > > > I guess those three functions are missing EXPORT_SYMBOL_GPL() tagging. The issue should have been fixed by https://lore.kernel.org/all/20240717181239.2510054-1-surenb@google.com/ patchset. I probably forgot to CC stable@ for these changes. Let me check and follow up. Thanks, Suren. > > Christophe