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

 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
16void foo(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}