kmem_cache_free(zero_cache, page_address(ptepage)); 
pte_free_kernel(page_address(ptepage)); 
static inline void pte_free(struct page *ptepage){	kmem_cache_free(zero_cache, page_address(ptepage));}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/e28f7faf05159f1cfd564596f5e6178edba6bd49/pgalloc.h/buggy/include/asm-ppc64/pgalloc.h