From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f72.google.com (mail-wm0-f72.google.com [74.125.82.72]) by kanga.kvack.org (Postfix) with ESMTP id 4706F6B02EE for ; Tue, 25 Apr 2017 12:29:24 -0400 (EDT) Received: by mail-wm0-f72.google.com with SMTP id p133so7218513wmd.17 for ; Tue, 25 Apr 2017 09:29:24 -0700 (PDT) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id t190si4231920wme.80.2017.04.25.09.29.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Apr 2017 09:29:21 -0700 (PDT) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v3PGSq5b093872 for ; Tue, 25 Apr 2017 12:29:20 -0400 Received: from e06smtp10.uk.ibm.com (e06smtp10.uk.ibm.com [195.75.94.106]) by mx0b-001b2d01.pphosted.com with ESMTP id 2a1v4s2ew1-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 25 Apr 2017 12:29:19 -0400 Received: from localhost by e06smtp10.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 25 Apr 2017 17:29:17 +0100 From: Mike Rapoport Subject: [PATCH 1/5] userfaultfd.2: describe memory types that can be used from 4.11 Date: Tue, 25 Apr 2017 19:29:04 +0300 In-Reply-To: <1493137748-32452-1-git-send-email-rppt@linux.vnet.ibm.com> References: <1493137748-32452-1-git-send-email-rppt@linux.vnet.ibm.com> Message-Id: <1493137748-32452-2-git-send-email-rppt@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Michael Kerrisk (man-pages)" Cc: Andrea Arcangeli , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-man@vger.kernel.org, Mike Rapoport Signed-off-by: Mike Rapoport --- man2/userfaultfd.2 | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/man2/userfaultfd.2 b/man2/userfaultfd.2 index 1603c20..c89484f 100644 --- a/man2/userfaultfd.2 +++ b/man2/userfaultfd.2 @@ -130,8 +130,12 @@ Details of the various operations can be found in .BR ioctl_userfaultfd (2). -Currently, userfaultfd can be used only with anonymous private memory -mappings. +Up to Linux 4.11, +userfaultfd can be used only with anonymous private memory mappings. + +Since Linux 4.11, +userfaultfd can be also used with hugetlbfs and shared memory mappings. + .\" .SS Reading from the userfaultfd structure Each -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org