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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: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Kumar Gala 2008-04-16 05:52:30 +10:00 committed by Paul Mackerras
parent b18796d32a
commit af892e0f9f
1 changed files with 1 additions and 4 deletions
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5
include/asm-powerpc/pgtable-ppc32.h
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@ -98,9 +98,6 @@ extern int icache_44x_need_flush;
#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
#define FIRST_USER_ADDRESS 0 #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) \ #define pte_ERROR(e) \
printk("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \ printk("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \
(unsigned long long)pte_val(e)) (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) \ #define pmd_page_vaddr(pmd) \
((unsigned long) (pmd_val(pmd) & PAGE_MASK)) ((unsigned long) (pmd_val(pmd) & PAGE_MASK))
#define pmd_page(pmd) \ #define pmd_page(pmd) \
(mem_map + (__pa(pmd_val(pmd)) >> PAGE_SHIFT)) pfn_to_page((__pa(pmd_val(pmd)) >> PAGE_SHIFT))
#endif #endif
/* to find an entry in a kernel page-table-directory */ /* to find an entry in a kernel page-table-directory */