Commit abca6583 authored Feb 10, 2026 by Lain "Fearyncess" Yang Committed by Huacai Chen Feb 10, 2026

LoongArch: Wire up memfd_secret system call



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

Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Signed-off-by: Lain "Fearyncess" Yang <fearyncess@aosc.io>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

parent 52c1dbf4

arch/loongarch/include/asm/unistd.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -10,5 +10,6 @@

		#define __ARCH_WANT_NEW_STAT
		#define __ARCH_WANT_SYS_CLONE
		#define __ARCH_WANT_MEMFD_SECRET

		#define NR_syscalls (__NR_syscalls)

arch/loongarch/kernel/Makefile.syscalls

+2 −3

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0

		# No special ABIs on loongarch so far
		syscall_abis_32 +=
		syscall_abis_64 +=
		syscall_abis_32 += memfd_secret
		syscall_abis_64 += memfd_secret

tools/testing/selftests/mm/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -72,7 +72,7 @@ TEST_GEN_FILES += madv_populate
		TEST_GEN_FILES += map_fixed_noreplace
		TEST_GEN_FILES += map_hugetlb
		TEST_GEN_FILES += map_populate
		ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64))
		ifneq (,$(filter $(ARCH),arm64 riscv riscv64 x86 x86_64 loongarch32 loongarch64))
		TEST_GEN_FILES += memfd_secret
		endif
		TEST_GEN_FILES += migration