From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753912Ab2J1RRQ (ORCPT ); Sun, 28 Oct 2012 13:17:16 -0400 Received: from terminus.zytor.com ([198.137.202.10]:47901 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753547Ab2J1RRN (ORCPT ); Sun, 28 Oct 2012 13:17:13 -0400 Date: Sun, 28 Oct 2012 10:16:39 -0700 From: tip-bot for Ingo Molnar Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, a.p.zijlstra@chello.nl, peterz@infradead.org, schwidefsky@de.ibm.com, gerald.schaefer@de.ibm.com, ralf@linux-mips.org, heiko.carstens@de.ibm.com, tglx@linutronix.de, sfr@canb.auug.org.au Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, schwidefsky@de.ibm.com, peterz@infradead.org, gerald.schaefer@de.ibm.com, ralf@linux-mips.org, heiko.carstens@de.ibm.com, sfr@canb.auug.org.au, tglx@linutronix.de In-Reply-To: <20121028131014.GA10754@gmail.com> References: <20121028131014.GA10754@gmail.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:numa/core] sched, numa, mm, s390/thp: Add pmd_mknotpresent() Git-Commit-ID: 9b718e758ac91f28b6cdd354ad5ee9c767daae74 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Sun, 28 Oct 2012 10:16:46 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 9b718e758ac91f28b6cdd354ad5ee9c767daae74 Gitweb: http://git.kernel.org/tip/9b718e758ac91f28b6cdd354ad5ee9c767daae74 Author: Ingo Molnar AuthorDate: Sun, 28 Oct 2012 14:10:14 +0100 Committer: Ingo Molnar CommitDate: Sun, 28 Oct 2012 17:31:21 +0100 sched, numa, mm, s390/thp: Add pmd_mknotpresent() We'd like to make use of pmd_mknotpresent() in mm/, but not all architectures have it. This patch adds the s390 version. Signed-off-by: Ingo Molnar Cc: Stephen Rothwell Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: Peter Zijlstra Cc: Ralf Baechle Cc: Peter Zijlstra Cc: Gerald Schaefer Link: http://lkml.kernel.org/r/20121028131014.GA10754@gmail.com Signed-off-by: Ingo Molnar --- arch/s390/include/asm/pgtable.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 098fc5a..b820ff1 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1310,6 +1310,12 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd) return pmd; } +static inline pmd_t pmd_mknotpresent(pmd_t pmd) +{ + pmd_val(pmd) &= ~_SEGMENT_ENTRY_ORIGIN; + return pmd; +} + #define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp)