extern inline pgd_t *pgd_alloc (struct mm_struct *mm) 
static inline pgd_t *pgd_alloc (struct mm_struct *mm) 
extern inline pgd_t *pgd_alloc (struct mm_struct *mm){	return (pgd_t *)get_zeroed_page(GFP_KERNEL);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d9b5444eeb3a663ca4a625878b1421c9e9b18e8b/pgalloc.h/buggy/include/asm-cris/pgalloc.h