1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Generate definitions needed by the preprocessor.
4 * This code generates raw asm output which is post-processed
5 * to extract and format the required data.
6 */
7
8#define __GENERATING_BOUNDS_H
9/* Include headers that define the enum constants of interest */
10#include <linux/page-flags.h>
11#include <linux/mmzone.h>
12#include <linux/kbuild.h>
13#include <linux/log2.h>
14#include <linux/spinlock_types.h>
15
16int main(void)
17{
18 /* The enum constants to put into include/generated/bounds.h */
19 DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
20 DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
21#ifdef CONFIG_SMP
22 DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS));
23#endif
24 DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
25 /* End of constants */
26
27 return 0;
28}
29