Allocate system call numbers: 250 and 251 for hugetlb, with

252 for exit_group

arch/i386/kernel/entry.S

@@ -759,7 +759,9 @@ ENTRY(sys_call_table)
 	.long sys_io_getevents
 	.long sys_io_submit
 	.long sys_io_cancel
-	.long sys_exit_group	/* 250 */
+	.long sys_ni_syscall	/* 250 */	/* sys_alloc_hugepages */
+	.long sys_ni_syscall			/* sys_free_hugepages */
+	.long sys_exit_group
 
 	.rept NR_syscalls-(.-sys_call_table)/4
 		.long sys_ni_syscall

include/asm-i386/unistd.h

@@ -254,6 +254,9 @@
 #define __NR_io_getevents	247
 #define __NR_io_submit		248
 #define __NR_io_cancel		249
+#define __NR_alloc_hugepages	250
+#define __NR_free_hugepages	251
+#define __NR_exit_group		252
 
 /* user-visible error numbers are in the range -1 - -124: see <asm-i386/errno.h> */