Linux-next (5.19.0-rc8-next-20220728) fails to build on powerpc with following error: ERROR: modpost: "memory_add_physaddr_to_nid" [drivers/cxl/cxl_pmem.ko] undefined! make[1]: *** [scripts/Makefile.modpost:128: modules-only.symvers] Error 1 The code in question was last changed by following patch: commit 04ad63f086d1 cxl/region: Introduce cxl_pmem_region objects - Sachin