xref: /linux/kernel/bounds.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 
15 void 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 }
26