powerpc/mm/radix: rename _PAGE_LARGE to R_PAGE_LARGE

This bit is only used by radix and it is nice to follow the naming style of having
bit name start with H_/R_ depending on which translation mode they are used.

No functional change in this patch.

Reviewed-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/include/asm/book3s/64/hugetlb.h

@@ -46,7 +46,7 @@ static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
 	 */
 	VM_WARN_ON(page_shift == mmu_psize_defs[MMU_PAGE_1G].shift);
 	if (page_shift == mmu_psize_defs[MMU_PAGE_2M].shift)
-		return __pte(pte_val(entry) | _PAGE_LARGE);
+		return __pte(pte_val(entry) | R_PAGE_LARGE);
 	else
 		return entry;
 }

arch/powerpc/include/asm/book3s/64/radix.h

@@ -14,7 +14,7 @@
 /*
  * For P9 DD1 only, we need to track whether the pte's huge.
  */
-#define _PAGE_LARGE	_RPAGE_RSV1
+#define R_PAGE_LARGE	_RPAGE_RSV1
 
 
 #ifndef __ASSEMBLY__
@@ -258,7 +258,7 @@ static inline int radix__pmd_trans_huge(pmd_t pmd)
 static inline pmd_t radix__pmd_mkhuge(pmd_t pmd)
 {
 	if (cpu_has_feature(CPU_FTR_POWER9_DD1))
-		return __pmd(pmd_val(pmd) | _PAGE_PTE | _PAGE_LARGE);
+		return __pmd(pmd_val(pmd) | _PAGE_PTE | R_PAGE_LARGE);
 	return __pmd(pmd_val(pmd) | _PAGE_PTE);
 }
 static inline void radix__pmdp_huge_split_prepare(struct vm_area_struct *vma,

arch/powerpc/mm/tlb-radix.c

@@ -437,7 +437,7 @@ void radix__flush_tlb_pte_p9_dd1(unsigned long old_pte, struct mm_struct *mm,
 		return;
 	}
 
-	if (old_pte & _PAGE_LARGE)
+	if (old_pte & R_PAGE_LARGE)
 		radix__flush_tlb_page_psize(mm, address, MMU_PAGE_2M);
 	else
 		radix__flush_tlb_page_psize(mm, address, mmu_virtual_psize);