pgd_alloc (struct mm_struct *mm) 
static inline pgd_t *pgd_alloc(struct mm_struct *mm) 
pgd_alloc (struct mm_struct *mm){	/* the VM system never calls pgd_alloc_one_fast(), so we do it here. */	pgd_t *pgd = pgd_alloc_one_fast(mm);	if (unlikely(pgd == NULL)) {		pgd = (pgd_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);	}	return pgd;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/fde740e4dd4a05ca8957490d468fa9b2770f5bd6/pgalloc.h/buggy/include/asm-ia64/pgalloc.h