preempt_disable(); *(unsigned long *)pmd = (unsigned long) pmd_quicklist; pmd_quicklist = (unsigned long *) pmd; ++pgtable_cache_size; preempt_enable();
pgtable_quicklist_free(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();}