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[2a0a:51c0:0:12e:550::1]) by mx.google.com with ESMTPS id l3si10571380wrh.46.2019.07.15.06.08.51 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 15 Jul 2019 06:08:51 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a0a:51c0:0:12e:550::1 as permitted sender) client-ip=2a0a:51c0:0:12e:550::1; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a0a:51c0:0:12e:550::1 as permitted sender) smtp.mailfrom=tglx@linutronix.de Received: from [5.158.153.52] (helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hn0ih-0006Ku-9b; Mon, 15 Jul 2019 15:08:43 +0200 Date: Mon, 15 Jul 2019 15:08:42 +0200 (CEST) From: Thomas Gleixner To: Joerg Roedel cc: Dave Hansen , Andy Lutomirski , Peter Zijlstra , Ingo Molnar , Borislav Petkov , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Joerg Roedel Subject: Re: [PATCH 1/3] x86/mm: Check for pfn instead of page in vmalloc_sync_one() In-Reply-To: <20190715110212.18617-2-joro@8bytes.org> Message-ID: References: <20190715110212.18617-1-joro@8bytes.org> <20190715110212.18617-2-joro@8bytes.org> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII 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: On Mon, 15 Jul 2019, Joerg Roedel wrote: > From: Joerg Roedel > > Do not require a struct page for the mapped memory location > because it might not exist. This can happen when an > ioremapped region is mapped with 2MB pages. > > Signed-off-by: Joerg Roedel Lacks a Fixes tag, hmm?