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/page_cgroup.h> 13 #include <linux/log2.h> 14 #include <linux/spinlock_types.h> 15 16 void 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 DEFINE(NR_PCG_FLAGS, __NR_PCG_FLAGS); 22 #ifdef CONFIG_SMP 23 DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS)); 24 #endif 25 DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t)); 26 /* End of constants */ 27 } 28