Re: [PATCH] loongarch: wire up memfd_secret system call

On Fri, Jan 09, 2026 at 01:10:51PM +0800, Lain Fearyncess Yang wrote:

From: "Lain "Fearyncess" Yang" fearyncess@aosc.io

LoongArch supports ARCH_HAS_SET_DIRECT_MAP, therefore wire up the memfd_secret system call, which depends on it.

LoongArch version of set_memory* does not support splitting of leaf PMD entries. Does LoongArch always use PTE-level mappings in the direct map?

Signed-off-by: Lain "Fearyncess" Yang fearyncess@aosc.io

arch/loongarch/include/asm/unistd.h | 1 + arch/loongarch/kernel/Makefile.syscalls | 6 +++--- tools/testing/selftests/mm/Makefile | 2 +- 3 files changed, 5 insertions(+), 4 deletions(-)