add pkey_{mprotect,alloc,free} syscalls from linux v4.9

see linux commit e8c24d3a23a469f1f40d4de24d872ca7023ced0a
and linux Documentation/x86/protection-keys.txt

arch/aarch64/bits/syscall.h.in

@@ -271,4 +271,7 @@
 #define __NR_copy_file_range 285
 #define __NR_preadv2 286
 #define __NR_pwritev2 287
+#define __NR_pkey_mprotect 288
+#define __NR_pkey_alloc 289
+#define __NR_pkey_free 290
 

arch/arm/bits/syscall.h.in

@@ -347,6 +347,9 @@
 #define __NR_copy_file_range	391
 #define __NR_preadv2	392
 #define __NR_pwritev2	393
+#define __NR_pkey_mprotect	394
+#define __NR_pkey_alloc	395
+#define __NR_pkey_free	396
 
 #define __ARM_NR_breakpoint	0x0f0001
 #define __ARM_NR_cacheflush	0x0f0002

arch/i386/bits/syscall.h.in

@@ -378,4 +378,7 @@
 #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
 

arch/mips/bits/syscall.h.in

@@ -360,4 +360,7 @@
 #define __NR_copy_file_range         4360
 #define __NR_preadv2                 4361
 #define __NR_pwritev2                4362
+#define __NR_pkey_mprotect           4363
+#define __NR_pkey_alloc              4364
+#define __NR_pkey_free               4365
 

arch/mips64/bits/syscall.h.in

@@ -320,4 +320,7 @@
 #define __NR_copy_file_range		5320
 #define __NR_preadv2			5321
 #define __NR_pwritev2			5322
+#define __NR_pkey_mprotect		5323
+#define __NR_pkey_alloc			5324
+#define __NR_pkey_free			5325
 

arch/mipsn32/bits/syscall.h.in

@@ -324,4 +324,7 @@
 #define __NR_copy_file_range		6324
 #define __NR_preadv2			6325
 #define __NR_pwritev2			6326
+#define __NR_pkey_mprotect		6327
+#define __NR_pkey_alloc			6328
+#define __NR_pkey_free			6329
 

arch/or1k/bits/syscall.h.in

@@ -271,4 +271,7 @@
 #define __NR_copy_file_range 285
 #define __NR_preadv2 286
 #define __NR_pwritev2 287
+#define __NR_pkey_mprotect 288
+#define __NR_pkey_alloc 289
+#define __NR_pkey_free 290
 

arch/x32/bits/syscall.h.in

@@ -280,6 +280,9 @@
 #define __NR_membarrier (0x40000000 + 324)
 #define __NR_mlock2 (0x40000000 + 325)
 #define __NR_copy_file_range (0x40000000 + 326)
+#define __NR_pkey_mprotect (0x40000000 + 329)
+#define __NR_pkey_alloc (0x40000000 + 330)
+#define __NR_pkey_free (0x40000000 + 331)
 
 #define __NR_rt_sigaction (0x40000000 + 512)
 #define __NR_rt_sigreturn (0x40000000 + 513)

arch/x86_64/bits/syscall.h.in

@@ -327,4 +327,7 @@
 #define __NR_copy_file_range			326
 #define __NR_preadv2				327
 #define __NR_pwritev2				328
+#define __NR_pkey_mprotect			329
+#define __NR_pkey_alloc				330
+#define __NR_pkey_free				331