Linux-Next 20200302 arm64 build failed due to below errors, Suspecting patch causing this build break.
87d900aef3e2 arm/arm64: add support for folded p4d page tables
Error log, ------------- arch/arm64/mm/mmu.c: In function 'unmap_hotplug_pud_range': include/linux/compiler.h:284:1: error: incompatible type for argument 1 of 'p4d_page_paddr' ({ \ ^ arch/arm64/include/asm/memory.h:270:45: note: in definition of macro '__phys_to_virt' #define __phys_to_virt(x) ((unsigned long)((x) - physvirt_offset)) ^ arch/arm64/include/asm/pgtable.h:629:42: note: in expansion of macro '__va' #define pud_offset(dir, addr) ((pud_t *)__va(pud_offset_phys((dir), (addr)))) ^~~~ include/linux/compiler.h:293:22: note: in expansion of macro '__READ_ONCE' #define READ_ONCE(x) __READ_ONCE(x, 1) ^~~~~~~~~~~ arch/arm64/include/asm/pgtable.h:628:52: note: in expansion of macro 'READ_ONCE' #define pud_offset_phys(dir, addr) (p4d_page_paddr(READ_ONCE(*(dir))) + pud_index(addr) * sizeof(pud_t)) ^~~~~~~~~ arch/arm64/include/asm/pgtable.h:629:47: note: in expansion of macro 'pud_offset_phys' #define pud_offset(dir, addr) ((pud_t *)__va(pud_offset_phys((dir), (addr)))) ^~~~~~~~~~~~~~~ arch/arm64/mm/mmu.c:827:10: note: in expansion of macro 'pud_offset' pudp = pud_offset(pgdp, addr); ^~~~~~~~~~
ref: https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft...