pgd_free (pgd_t *pgd)
static inline void pgd_free(pgd_t * pgd)
pgd_free (pgd_t *pgd){	preempt_disable();	*(unsigned long *)pgd = (unsigned long) pgd_quicklist;	pgd_quicklist = (unsigned long *) pgd;	++pgtable_cache_size;	preempt_enable();}