[PATCH] x86-64: Auto compute __NR_syscall_max at compile time

#define BLANK() asm volatile("\n->" : : )

#define __NO_STUBS 1

#undef __SYSCALL

#undef _ASM_X86_64_UNISTD_H_

#define __SYSCALL(nr, sym) [nr] = 1,

static char syscalls[] = {

#include <asm/unistd.h>

};

int main(void)

{

#define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry))

	DEFINE(TSS_ist, offsetof(struct tss_struct, ist));

	BLANK();

	DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));

	BLANK();

	DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);

	return 0;

}

#include <linux/linkage.h>

#include <linux/sys.h>

#include <linux/cache.h>

#include <asm/asm-offsets.h>

#define __NO_STUBS

#define __NR_move_pages		279

__SYSCALL(__NR_move_pages, sys_move_pages)

#define __NR_syscall_max __NR_move_pages

#ifndef __NO_STUBS

#define __ARCH_WANT_OLD_READDIR

#define __ARCH_WANT_OLD_STAT