From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10A23CA9EA0 for ; Tue, 22 Oct 2019 17:15:52 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B1AB320679 for ; Tue, 22 Oct 2019 17:15:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XtnhNL4h" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B1AB320679 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 69B586B000D; Tue, 22 Oct 2019 13:15:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6733D6B000E; Tue, 22 Oct 2019 13:15:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 53B156B0010; Tue, 22 Oct 2019 13:15:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0114.hostedemail.com [216.40.44.114]) by kanga.kvack.org (Postfix) with ESMTP id 306026B000D for ; Tue, 22 Oct 2019 13:15:51 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id C728D180AD802 for ; Tue, 22 Oct 2019 17:15:50 +0000 (UTC) X-FDA: 76072072860.07.wash50_501206efe392d X-HE-Tag: wash50_501206efe392d X-Filterd-Recvd-Size: 6571 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by imf28.hostedemail.com (Postfix) with ESMTP for ; Tue, 22 Oct 2019 17:15:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1571764549; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XS/04FUnui5sNwBDedSDS4UewrsrxLUrEqpw2KoK/cQ=; b=XtnhNL4hSNtUidqbt/WHcQhOjOviSnnIzHIhKxwRVmsEB1XgeaB/eZbQRsNQqdQY9f0jHx CfPZmOibRO4h+sjZVHBsVaf89SCVB3r9gcvqUgX/DQu/j1KyRpX7SuvZdJT+E7GOYt0YTv 8bI+xdrDj/LX1/MrV/PrKLFfe1lZ0pk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-226-hQ4mXGwAP7eWs8CpMKPvnw-1; Tue, 22 Oct 2019 13:15:47 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D9666107AD31; Tue, 22 Oct 2019 17:15:41 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-248.ams2.redhat.com [10.36.116.248]) by smtp.corp.redhat.com (Postfix) with ESMTP id 903AE5DA8D; Tue, 22 Oct 2019 17:15:17 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Michal Hocko , Andrew Morton , kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, devel@driverdev.osuosl.org, xen-devel@lists.xenproject.org, x86@kernel.org, Alexander Duyck , Alexander Duyck , Alex Williamson , Allison Randal , Andy Lutomirski , "Aneesh Kumar K.V" , Anshuman Khandual , Anthony Yznaga , Ben Chan , Benjamin Herrenschmidt , Borislav Petkov , Boris Ostrovsky , Christophe Leroy , Cornelia Huck , Dan Carpenter , Dan Williams , Dave Hansen , Fabio Estevam , Greg Kroah-Hartman , Haiyang Zhang , "H. Peter Anvin" , Ingo Molnar , "Isaac J. Manjarres" , Jeremy Sowden , Jim Mattson , Joerg Roedel , Johannes Weiner , Juergen Gross , KarimAllah Ahmed , Kate Stewart , Kees Cook , "K. Y. Srinivasan" , Madhumitha Prabakaran , Matt Sickler , Mel Gorman , Michael Ellerman , Michal Hocko , Mike Rapoport , Mike Rapoport , Nicholas Piggin , Nishka Dasgupta , Oscar Salvador , Paolo Bonzini , Paul Mackerras , Paul Mackerras , Pavel Tatashin , Pavel Tatashin , Peter Zijlstra , Qian Cai , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Rob Springer , Sasha Levin , Sean Christopherson , =?UTF-8?q?Simon=20Sandstr=C3=B6m?= , Stefano Stabellini , Stephen Hemminger , Thomas Gleixner , Todd Poynor , Vandana BN , Vitaly Kuznetsov , Vlastimil Babka , Wanpeng Li , YueHaibing Subject: [PATCH RFC v1 07/12] staging: kpc2000: Prepare transfer_complete_cb() for PG_reserved changes Date: Tue, 22 Oct 2019 19:12:34 +0200 Message-Id: <20191022171239.21487-8-david@redhat.com> In-Reply-To: <20191022171239.21487-1-david@redhat.com> References: <20191022171239.21487-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: hQ4mXGwAP7eWs8CpMKPvnw-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Right now, ZONE_DEVICE memory is always set PG_reserved. We want to change that. The pages are obtained via get_user_pages_fast(). I assume, these could be ZONE_DEVICE pages. Let's just exclude them as well explicitly. Cc: Greg Kroah-Hartman Cc: Vandana BN Cc: "Simon Sandstr=C3=B6m" Cc: Dan Carpenter Cc: Nishka Dasgupta Cc: Madhumitha Prabakaran Cc: Fabio Estevam Cc: Matt Sickler Cc: Jeremy Sowden Signed-off-by: David Hildenbrand --- drivers/staging/kpc2000/kpc_dma/fileops.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kp= c2000/kpc_dma/fileops.c index cb52bd9a6d2f..457adcc81fe6 100644 --- a/drivers/staging/kpc2000/kpc_dma/fileops.c +++ b/drivers/staging/kpc2000/kpc_dma/fileops.c @@ -212,7 +212,8 @@ void transfer_complete_cb(struct aio_cb_data *acd, siz= e_t xfr_count, u32 flags) =09BUG_ON(acd->ldev->pldev =3D=3D NULL); =20 =09for (i =3D 0 ; i < acd->page_count ; i++) { -=09=09if (!PageReserved(acd->user_pages[i])) { +=09=09if (!PageReserved(acd->user_pages[i]) && +=09=09 !is_zone_device_page(acd->user_pages[i])) { =09=09=09set_page_dirty(acd->user_pages[i]); =09=09} =09} --=20 2.21.0