FreeBSD/Linux Kernel Cross Reference
sys/kernel/bounds.c

     /*
      * 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/page_cgroup.h>
    
    void foo(void)
    {
            /* The enum constants to put into include/generated/bounds.h */
            DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
            DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
            DEFINE(NR_PCG_FLAGS, __NR_PCG_FLAGS);
            /* End of constants */
    }

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