pgprot_t phys_mem_access_prot(struct file *file, unsigned long addr, 
pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, 
pgprot_t phys_mem_access_prot(struct file *file, unsigned long addr,			      unsigned long size, pgprot_t vma_prot){	if (ppc_md.phys_mem_access_prot)		return ppc_md.phys_mem_access_prot(file, addr, size, vma_prot);	if (!page_is_ram(addr >> PAGE_SHIFT))		vma_prot = __pgprot(pgprot_val(vma_prot)				    | _PAGE_GUARDED | _PAGE_NO_CACHE);	return vma_prot;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/8b150478aeb1a8edb9015c2f7ac4da637ff65c45/mem.c/clean/arch/powerpc/mm/mem.c