GeezerVison is showing codebrowser.dev — bounds.c source code [linux/kernel/bounds.c] - Codebrowser

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
17	int 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	}
37

bounds.c