ARM: wire up memfd_create syscall

Add the memfd_create syscall to ARM.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Origin: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e57e41931134e09fc6c03c8d4eb19d516cc6e59b
Backported-by: Maciej Wereski <m.wereski@partner.samsung.com>
Adjusted __NR_syscalls as in commit
eb6452537b280652eee66801ec97cc369e27e5d8.

Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>
Change-Id: I8bcbec0d5fb6241cbb5c13f142552dbfe5307c9e

diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index cbd6197..2ed963a 100644 (file)
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -15,7 +15,7 @@
 
 #include <uapi/asm/unistd.h>
 
-#define __NR_syscalls  (380)
+#define __NR_syscalls  (388)
 #define __ARM_NR_cmpxchg               (__ARM_NR_BASE+0x00fff0)
 
 #define __ARCH_WANT_STAT64

diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index af33b44..bf90531 100644 (file)
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -406,6 +406,7 @@
 #define __NR_process_vm_writev         (__NR_SYSCALL_BASE+377)
 #define __NR_kcmp                      (__NR_SYSCALL_BASE+378)
 #define __NR_finit_module              (__NR_SYSCALL_BASE+379)
+#define __NR_memfd_create              (__NR_SYSCALL_BASE+385)
 
 /*
  * This may need to be greater than __NR_last_syscall+1 in order to

diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index c6ca7e3..b2be7a4 100644 (file)
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -389,6 +389,12 @@
                CALL(sys_process_vm_writev)
                CALL(sys_kcmp)
                CALL(sys_finit_module)
+               CALL(sys_ni_syscall)
+               CALL(sys_ni_syscall)
+               CALL(sys_ni_syscall)
+               CALL(sys_ni_syscall)
+               CALL(sys_ni_syscall)
+               CALL(sys_memfd_create)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted