#ifndef _ASM_POWERPC_PGTABLE_H #define _ASM_POWERPC_PGTABLE_H #ifdef __KERNEL__ #ifndef __ASSEMBLY__ #include <asm/processor.h> /* For TASK_SIZE */ #include <asm/mmu.h> #include <asm/page.h> struct mm_struct; #endif /* !__ASSEMBLY__ */ #if defined(CONFIG_PPC64) # include <asm/pgtable-ppc64.h> #else # include <asm/pgtable-ppc32.h> #endif #ifndef __ASSEMBLY__ /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ extern unsigned long empty_zero_page[]; #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) extern pgd_t swapper_pg_dir[]; extern void paging_init(void); /* * kern_addr_valid is intended to indicate whether an address is a valid * kernel address. Most 32-bit archs define it as always true (like this) * but most 64-bit archs actually perform a test. What should we do here? */ #define kern_addr_valid(addr) (1) #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) #include <asm-generic/pgtable.h> #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PGTABLE_H */