i386: add arch_prctl syscall number from linux v4.12

syscall for i386 compat mode on x86_64 for non-x86_64 prctls.
new in linux commit 79170fda313ed5be2394f87aa2a00d597f8ed4a1

diff --git a/arch/i386/bits/syscall.h.in b/arch/i386/bits/syscall.h.in
index b556d83b52e988301f913778ad86c78f71a32050..27e72feca88b18bc705b7ee3564ffd298e1bad22 100644 (file)
--- a/arch/i386/bits/syscall.h.in
+++ b/arch/i386/bits/syscall.h.in
@@ -381,4 +381,5 @@
 #define __NR_pkey_alloc                381
 #define __NR_pkey_free         382
 #define __NR_statx             383
+#define __NR_arch_prctl                384