From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932281AbeDZOa3 (ORCPT ); Thu, 26 Apr 2018 10:30:29 -0400 Received: from out2-smtp.messagingengine.com ([66.111.4.26]:55615 "EHLO out2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756596AbeDZO2w (ORCPT ); Thu, 26 Apr 2018 10:28:52 -0400 X-ME-Sender: From: Zi Yan To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Zi Yan , Martin Schwidefsky , Heiko Carstens , Janosch Frank , Naoya Horiguchi , linux-s390@vger.kernel.org Subject: [RFC PATCH 7/9] s390: mm: migrate: add pmd swap entry to support thp migration. Date: Thu, 26 Apr 2018 10:28:02 -0400 Message-Id: <20180426142804.180152-8-zi.yan@sent.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180426142804.180152-1-zi.yan@sent.com> References: <20180426142804.180152-1-zi.yan@sent.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zi Yan pmd swap soft dirty support is added, too. Signed-off-by: Zi Yan Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: Janosch Frank Cc: Naoya Horiguchi Cc: linux-s390@vger.kernel.org Cc: linux-mm@kvack.org --- arch/s390/include/asm/pgtable.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 2d24d33bf188..215fbb34203e 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -798,18 +798,21 @@ static inline int pmd_soft_dirty(pmd_t pmd) { return pmd_val(pmd) & _SEGMENT_ENTRY_SOFT_DIRTY; } +#define pmd_swp_soft_dirty pmd_soft_dirty static inline pmd_t pmd_mksoft_dirty(pmd_t pmd) { pmd_val(pmd) |= _SEGMENT_ENTRY_SOFT_DIRTY; return pmd; } +#define pmd_swp_mksoft_dirty pmd_mksoft_dirty static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd) { pmd_val(pmd) &= ~_SEGMENT_ENTRY_SOFT_DIRTY; return pmd; } +#define pmd_swp_clear_soft_dirty pmd_clear_soft_dirty /* * query functions pte_write/pte_dirty/pte_young only work if @@ -1594,7 +1597,9 @@ 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(pte) ((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 }) #define kern_addr_valid(addr) (1) -- 2.17.0