Subject: [RFC PATCH V1 01/33] powerpc/mm: add _PAGE_HASHPTE similar to 4K hash

From: "Aneesh Kumar K.V" <[email-masked]>
Date: Tue, 12 Jan 2016 12:45:36 +0530

Not really needed. But this brings it back to as it was before

Check this
41743a4e34f0777f51c1cf0675b91508ba143050

Signed-off-by: Aneesh Kumar K.V <[email-masked]>
---
 arch/powerpc/mm/hash64_64k.c         | 4 ++--
 arch/powerpc/mm/hugepage-hash64.c    | 2 +-
 arch/powerpc/mm/hugetlbpage-hash64.c | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/mm/hash64_64k.c b/arch/powerpc/mm/hash64_64k.c
index 0762c1e08c88..3c417f9099f9 100644
--- a/arch/powerpc/mm/hash64_64k.c
+++ b/arch/powerpc/mm/hash64_64k.c
@@ -76,7 +76,7 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
 		 * a write access. Since this is 4K insert of 64K page size
 		 * also add _PAGE_COMBO
 		 */
-		new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED | _PAGE_COMBO;
+		new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED | _PAGE_COMBO | _PAGE_HASHPTE;
 		if (access & _PAGE_RW)
 			new_pte |= _PAGE_DIRTY;
 	} while (old_pte != __cmpxchg_u64((unsigned long *)ptep,
@@ -246,7 +246,7 @@ int __hash_page_64K(unsigned long ea, unsigned long access,
 		 * a write access. Since this is 4K insert of 64K page size
 		 * also add _PAGE_COMBO
 		 */
-		new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED;
+		new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED | _PAGE_HASHPTE;
 		if (access & _PAGE_RW)
 			new_pte |= _PAGE_DIRTY;
 	} while (old_pte != __cmpxchg_u64((unsigned long *)ptep,
diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c
index 49b152b0f926..3c4bd4c0ade9 100644
--- a/arch/powerpc/mm/hugepage-hash64.c
+++ b/arch/powerpc/mm/hugepage-hash64.c
@@ -46,7 +46,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid,
 		 * Try to lock the PTE, add ACCESSED and DIRTY if it was
 		 * a write access
 		 */
-		new_pmd = old_pmd | _PAGE_BUSY | _PAGE_ACCESSED;
+		new_pmd = old_pmd | _PAGE_BUSY | _PAGE_ACCESSED | _PAGE_HASHPTE;
 		if (access & _PAGE_RW)
 			new_pmd |= _PAGE_DIRTY;
 	} while (old_pmd != __cmpxchg_u64((unsigned long *)pmdp,
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c
index e2138c7ae70f..9c224b012d62 100644
--- a/arch/powerpc/mm/hugetlbpage-hash64.c
+++ b/arch/powerpc/mm/hugetlbpage-hash64.c
@@ -54,7 +54,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
 			return 1;
 		/* Try to lock the PTE, add ACCESSED and DIRTY if it was
 		 * a write access */
-		new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED;
+		new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED | _PAGE_HASHPTE;
 		if (access & _PAGE_RW)
 			new_pte |= _PAGE_DIRTY;
 	} while(old_pte != __cmpxchg_u64((unsigned long *)ptep,
-- 
2.5.0