After commit 01feba590cd6 ("ACPI: Do not create new NUMA domains from ACPI static tables that are not SRAT"): $ scripts/config --file arch/x86/configs/x86_64_defconfig -d NUMA -e ACPI_NFIT $ make -skj"$(nproc)" distclean defconfig drivers/acpi/nfit/ drivers/acpi/nfit/core.c: In function ‘acpi_nfit_register_region’: drivers/acpi/nfit/core.c:3010:27: error: implicit declaration of function ‘pxm_to_node’; did you mean ‘xa_to_node’? [-Werror=implicit-function-declaration] 3010 | ndr_desc->target_node = pxm_to_node(spa->proximity_domain); | ^~~~~~~~~~~ | xa_to_node cc1: some warnings being treated as errors ... Add a stub function like acpi_map_pxm_to_node had so that the build continues to work. Fixes: 01feba590cd6 ("ACPI: Do not create new NUMA domains from ACPI static tables that are not SRAT") Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx> --- I am not sure if this is the right place or value for this. It looks like there is going to be another stub function added here, which is going through -mm: https://lkml.kernel.org/r/159643094925.4062302.14979872973043772305.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx include/acpi/acpi_numa.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h index fdebcfc6c8df..09eb3bc20ff5 100644 --- a/include/acpi/acpi_numa.h +++ b/include/acpi/acpi_numa.h @@ -22,5 +22,10 @@ extern int acpi_numa __initdata; extern void bad_srat(void); extern int srat_disabled(void); +#else /* CONFIG_ACPI_NUMA */ +static inline int pxm_to_node(int pxm) +{ + return 0; +} #endif /* CONFIG_ACPI_NUMA */ #endif /* __ACP_NUMA_H */ base-commit: eb6335b68ce3fc85a93c4c6cd3bb6bc5ac490efe -- 2.28.0