Hi Mike, On Tue, Nov 10, 2020 at 05:14:43PM +0200, Mike Rapoport wrote: > diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h > index 6c1dcca067e0..c71c3fe0b6cd 100644 > --- a/arch/arm64/include/asm/unistd32.h > +++ b/arch/arm64/include/asm/unistd32.h > @@ -891,6 +891,8 @@ __SYSCALL(__NR_faccessat2, sys_faccessat2) > __SYSCALL(__NR_process_madvise, sys_process_madvise) > #define __NR_watch_mount 441 > __SYSCALL(__NR_watch_mount, sys_watch_mount) > +#define __NR_memfd_secret 442 > +__SYSCALL(__NR_memfd_secret, sys_memfd_secret) arch/arm doesn't select ARCH_HAS_SET_DIRECT_MAP and doesn't support memfd_secret(), so I wouldn't add it to the compat layer. -- Catalin