linux-kernel - [PATCHv4 02/12] arc: Use generic_pmdp_establish as pmdp

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Message-Id: <20171213105756.69879-3-kirill.shutemov@linux.intel.com>
Date:   Wed, 13 Dec 2017 13:57:46 +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>,
        Vineet Gupta <vgupta@...opsys.com>
Subject: [PATCHv4 02/12] arc: Use generic_pmdp_establish as pmdp_establish

ARC 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: Vineet Gupta <vgupta@...opsys.com>
---
 arch/arc/include/asm/hugepage.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h
index b18fcb606908..dc8ee011882f 100644
--- a/arch/arc/include/asm/hugepage.h
+++ b/arch/arc/include/asm/hugepage.h
@@ -74,4 +74,7 @@ extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
 extern void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
 				unsigned long end);
 
+/* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/
+#define pmdp_establish generic_pmdp_establish
+
 #endif
-- 
2.15.0