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Commit af892e0f authored by Kumar Gala's avatar Kumar Gala Committed by Paul Mackerras
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[POWERPC] Cleanup pgtable-ppc32.h 



* Removed defines KERNEL_PGD_PTRS & USER_PGD_PTRS since they aren't
  used anywhere
* Changed pmd_page macro to use pfn_to_page so we get proper behavior
  if ARCH_PFN_OFFSET is set as well if we use a different memory model
  on ppc32.

Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent b18796d3

include/asm-powerpc/pgtable-ppc32.h

+1 −4
Original line number Diff line number Diff line
@@ -98,9 +98,6 @@ extern int icache_44x_need_flush; 
#define USER_PTRS_PER_PGD	(TASK_SIZE / PGDIR_SIZE)

#define FIRST_USER_ADDRESS	0



#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT)

#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS)



#define pte_ERROR(e) \

	printk("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \

		(unsigned long long)pte_val(e))
@@ -693,7 +690,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, 
#define pmd_page_vaddr(pmd)	\

	((unsigned long) (pmd_val(pmd) & PAGE_MASK))

#define pmd_page(pmd)		\

	(mem_map + (__pa(pmd_val(pmd)) >> PAGE_SHIFT))

	pfn_to_page((__pa(pmd_val(pmd)) >> PAGE_SHIFT))

#endif



/* to find an entry in a kernel page-table-directory */