From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f69.google.com (mail-wm0-f69.google.com [74.125.82.69]) by kanga.kvack.org (Postfix) with ESMTP id 944B06B0012 for ; Thu, 26 Apr 2018 10:28:58 -0400 (EDT) Received: by mail-wm0-f69.google.com with SMTP id a127so1796321wmh.6 for ; Thu, 26 Apr 2018 07:28:58 -0700 (PDT) Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com. [66.111.4.26]) by mx.google.com with ESMTPS id m5si1904081edb.325.2018.04.26.07.28.52 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Apr 2018 07:28:53 -0700 (PDT) From: Zi Yan Subject: [RFC PATCH 8/9] sparc: mm: migrate: add pmd swap entry to support thp migration. Date: Thu, 26 Apr 2018 10:28:03 -0400 Message-Id: <20180426142804.180152-9-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 , "David S. Miller" , sparclinux@vger.kernel.org From: Zi Yan Signed-off-by: Zi Yan Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org Cc: linux-mm@kvack.org --- arch/sparc/include/asm/pgtable_32.h | 2 ++ arch/sparc/include/asm/pgtable_64.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 4eebed6c6781..293bf9f8f949 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -367,7 +367,9 @@ static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset) } #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(x) ((pte_t) { (x).val }) +#define __swp_entry_to_pmd(x) ((pmd_t) { (x).val }) static inline unsigned long __get_phys (unsigned long addr) diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 339920fdf9ed..2811aef4a636 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -1031,7 +1031,9 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); ((long)(offset) << (PAGE_SHIFT + 8UL))) \ } ) #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(x) ((pte_t) { (x).val }) +#define __swp_entry_to_pmd(x) ((pmd_t) { (x).val }) int page_in_phys_avail(unsigned long paddr); -- 2.17.0