preempt_enable();  
static inline void *pgtable_quicklist_alloc(void){	unsigned long *ret = NULL;	preempt_disable();	ret = pgtable_quicklist;	if (likely(ret != NULL)) {		pgtable_quicklist = (unsigned long *)(*ret);		ret[0] = 0;		--pgtable_quicklist_size;	} else {		ret = (unsigned long *)__get_free_page(GFP_KERNEL | __GFP_ZERO);	}	preempt_enable();	return ret;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/2d29306b231a1a0e7a70166c10e4c0f917b21334/pgalloc.h/clean/include/asm-ia64/pgalloc.h