bounds.c 695 字节
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/*
 * 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 */
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#include <linux/page-flags.h>
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#include <linux/mmzone.h>
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#include <linux/kbuild.h>
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#include <linux/page_cgroup.h>
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#include <linux/log2.h>
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void foo(void)
{
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	/* The enum constants to put into include/generated/bounds.h */
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	DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
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Christoph Lameter 已提交
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	DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
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	DEFINE(NR_PCG_FLAGS, __NR_PCG_FLAGS);
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#ifdef CONFIG_SMP
	DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS));
#endif
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	/* End of constants */
}