diff --git a/coregrind/m_syswrap/syswrap-x86-linux.c b/coregrind/m_syswrap/syswrap-x86-linux.c

index bec145a..11bb13d 100644

--- a/coregrind/m_syswrap/syswrap-x86-linux.c

+++ b/coregrind/m_syswrap/syswrap-x86-linux.c

@@ -1604,7 +1604,10 @@ static SyscallTableEntry syscall_table[] = {

    LINX_(__NR_sendmsg,           sys_sendmsg),          // 370

    LINXY(__NR_recvfrom,          sys_recvfrom),         // 371

    LINXY(__NR_recvmsg,           sys_recvmsg),          // 372

-   LINX_(__NR_shutdown,          sys_shutdown)          // 373

+   LINX_(__NR_shutdown,          sys_shutdown),         // 373

+

+   /* Explicitly not supported on i386 yet. */

+   GENX_(__NR_arch_prctl,        sys_ni_syscall)        // 384

 };

 SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )

commit 12d162aabc8180d9ad0c095e72a1354e93b091d7

Author: Tom Hughes <tom@compton.nu>

Date:   Wed Mar 21 12:28:31 2018 +0000

    Update linux system call numbers.

diff --git a/include/vki/vki-scnums-x86-linux.h b/include/vki/vki-scnums-x86-linux.h

index 8a6376b..041d247 100644

--- a/include/vki/vki-scnums-x86-linux.h

+++ b/include/vki/vki-scnums-x86-linux.h

@@ -32,7 +32,7 @@

 #ifndef __VKI_SCNUMS_X86_LINUX_H

 #define __VKI_SCNUMS_X86_LINUX_H

-// Derived from linux-2.6/arch/x86/syscalls/syscall_32.tbl

+// Derived from linux-2.6/arch/x86/entry/syscalls/syscall_32.tbl

 #define __NR_restart_syscall      0

 #define __NR_exit		  1

@@ -411,6 +411,14 @@

 #define __NR_userfaultfd        374

 #define __NR_membarrier         375

 #define __NR_mlock2             376

+#define __NR_copy_file_range    377

+#define __NR_preadv2            378

+#define __NR_pwritev2           379

+#define __NR_pkey_mprotect      380

+#define __NR_pkey_alloc         381

+#define __NR_pkey_free          382

+#define __NR_statx              383

+#define __NR_arch_prctl         384

 #endif /* __VKI_SCNUMS_X86_LINUX_H */