On Thu, Aug 22, 2024 at 11:04 AM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > > On Thu, Aug 22, 2024 at 10:18 AM LEROY Christophe > <christophe.leroy2@xxxxxxxxxxxxxxxxxx> wrote: > > > > > > > > Le 21/07/2024 à 01:09, Erhard Furtner a écrit : > > > [Vous ne recevez pas souvent de courriers de erhard_f@xxxxxxxxxxx. D?couvrez pourquoi ceci est important ? https://aka.ms/LearnAboutSenderIdentification ] > > > > > > On Sat, 29 Jun 2024 15:31:28 +0200 > > > Erhard Furtner <erhard_f@xxxxxxxxxxx> wrote: > > > > > >> I get a build failure on v6.10-rc5 on my Talos II when MEM_ALLOC_PROFILING=y 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 .config attached. > > > > > > Build problem still there on now released v6.10 with MEM_ALLOC_PROFILING=y. > > > > > > Can't bisect as build with MEM_ALLOC_PROFILING fails since it's introduction 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@xxxxxxxxxx/ > patchset. I probably forgot to CC stable@ for these changes. Let me > check and follow up. The issue is fixed by the patch titled "alloc_tag: outline and export free_reserved_page()" which has b3bebe44306e SHA in Linus' tree and first appears in v6.10.3 with SHA 4a9a52b70cce. > Thanks, > Suren. > > > > > Christophe
