From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id 79DCD6B0009 for ; Thu, 26 Apr 2018 10:28:53 -0400 (EDT) Received: by mail-wr0-f200.google.com with SMTP id o8-v6so26133746wra.12 for ; Thu, 26 Apr 2018 07:28:53 -0700 (PDT) Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com. [66.111.4.26]) by mx.google.com with ESMTPS id h63si1428796edd.398.2018.04.26.07.28.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Apr 2018 07:28:51 -0700 (PDT) From: Zi Yan Subject: [RFC PATCH 3/9] arm64: mm: migrate: add pmd swap entry to support thp migration. Date: Thu, 26 Apr 2018 10:27:58 -0400 Message-Id: <20180426142804.180152-4-zi.yan@sent.com> In-Reply-To: <20180426142804.180152-1-zi.yan@sent.com> References: <20180426142804.180152-1-zi.yan@sent.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Zi Yan , Catalin Marinas , Will Deacon , Steve Capper , Marc Zyngier , Kristina Martsenko , Dan Williams , linux-arm-kernel@lists.infradead.org From: Zi Yan Signed-off-by: Zi Yan Cc: Catalin Marinas Cc: Will Deacon Cc: Steve Capper Cc: Marc Zyngier Cc: Kristina Martsenko Cc: Dan Williams Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mm@kvack.org --- arch/arm64/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 7e2c27e63cd8..1cdc9d3db2c7 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -742,7 +742,9 @@ extern pgd_t tramp_pg_dir[PTRS_PER_PGD]; #define __swp_entry(type,offset) ((swp_entry_t) { ((type) << __SWP_TYPE_SHIFT) | ((offset) << __SWP_OFFSET_SHIFT) }) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) +#define __pmd_to_swp_entry(pmd) ((swp_entry_t) { pmd_val(pmd) }) #define __swp_entry_to_pte(swp) ((pte_t) { (swp).val }) +#define __swp_entry_to_pmd(swp) ((pmd_t) { (swp).val }) /* * Ensure that there are not more swap files than can be encoded in the kernel -- 2.17.0