[linux.git] / kernel / bounds.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Generate definitions needed by the preprocessor.
 * This code generates raw asm output which is post-processed
 * to extract and format the required data.
 */

#define __GENERATING_BOUNDS_H
/* Include headers that define the enum constants of interest */
#include <linux/page-flags.h>
#include <linux/mmzone.h>
#include <linux/kbuild.h>
#include <linux/log2.h>
#include <linux/spinlock_types.h>

int main(void)
{
	/* The enum constants to put into include/generated/bounds.h */
	DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
	DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
#ifdef CONFIG_SMP
	DEFINE(NR_CPUS_BITS, order_base_2(CONFIG_NR_CPUS));
#endif
	DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
#ifdef CONFIG_LRU_GEN
	DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1));
	DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2);
#else
	DEFINE(LRU_GEN_WIDTH, 0);
	DEFINE(__LRU_REFS_WIDTH, 0);
#endif
	/* End of constants */

	return 0;
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
1cdf25d7 CL	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 */
9223b419	10	#include <linux/page-flags.h>
97965478	11	#include <linux/mmzone.h>
37487a56	12	#include <linux/kbuild.h>
90572890	13	#include <linux/log2.h>
24b9fdc5	14	#include <linux/spinlock_types.h>
1cdf25d7	15
6a32c246	16	int main(void)
1cdf25d7	17	{
01fc0ac1	18	/* The enum constants to put into include/generated/bounds.h */
9223b419	19	DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
97965478	20	DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
90572890	21	#ifdef CONFIG_SMP
5af385f5	22	DEFINE(NR_CPUS_BITS, order_base_2(CONFIG_NR_CPUS));
90572890	23	#endif
597d795a	24	DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
ec1c86b2 YZ	25	#ifdef CONFIG_LRU_GEN
ec1c86b2 YZ	26	DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1));
ac35a490	27	DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2);
ec1c86b2 YZ	28	#else
ec1c86b2 YZ	29	DEFINE(LRU_GEN_WIDTH, 0);
ac35a490	30	DEFINE(__LRU_REFS_WIDTH, 0);
ec1c86b2	31	#endif
1cdf25d7	32	/* End of constants */
6a32c246 AB	33
6a32c246 AB	34	return 0;
1cdf25d7	35	}