// 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, ilog2(CONFIG_NR_CPUS));
  #endif
  	DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
  	/* End of constants */
  
  	return 0;
  }