pmd_free (pmd_t *pmd)
static inline void pmd_free(pmd_t * pmd)
pmd_free (pmd_t *pmd){	preempt_disable();	*(unsigned long *)pmd = (unsigned long) pmd_quicklist;	pmd_quicklist = (unsigned long *) pmd;	++pgtable_cache_size;	preempt_enable();}