projects/linux·blob master · refs

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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#define COMPILE_OFFSETS
10/* Include headers that define the enum constants of interest */
11#include <linux/page-flags.h>
12#include <linux/mmzone.h>
13#include <linux/kbuild.h>
14#include <linux/log2.h>
15#include <linux/spinlock_types.h>
16
17int main(void)
18{
19 /* The enum constants to put into include/generated/bounds.h */
20 DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
21 DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
22#ifdef CONFIG_SMP
23 DEFINE(NR_CPUS_BITS, order_base_2(CONFIG_NR_CPUS));
24#endif
25 DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
26#ifdef CONFIG_LRU_GEN
27 DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1));
28 DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2);
29#else
30 DEFINE(LRU_GEN_WIDTH, 0);
31 DEFINE(__LRU_REFS_WIDTH, 0);
32#endif
33 /* End of constants */
34
35 return 0;
36}