linux-kernel - [PATCHv4 05/12] mips: Use generic_pmdp_establish as pmdp

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Date:   Wed, 13 Dec 2017 13:57:49 +0300
From:   "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Vlastimil Babka <vbabka@...e.cz>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Michal Hocko <mhocko@...nel.org>, linux-arch@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        David Daney <david.daney@...ium.com>, linux-mips@...ux-mips.org
Subject: [PATCHv4 05/12] mips: Use generic_pmdp_establish as pmdp_establish

MIPS doesn't support hardware dirty/accessed bits.
generic_pmdp_establish() is suitable in this case.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: David Daney <david.daney@...ium.com>
Cc: linux-mips@...ux-mips.org
---
 arch/mips/include/asm/pgtable.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 1a508a74d48d..129e0328367f 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -534,6 +534,9 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 
+/* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/
+#define pmdp_establish generic_pmdp_establish
+
 #define has_transparent_hugepage has_transparent_hugepage
 extern int has_transparent_hugepage(void);
 
-- 
2.15.0