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Mon, 21 Oct 2019 10:25:12 -0700 (PDT) Received: from [10.241.90.10] ([155.52.187.14]) by smtp.gmail.com with ESMTPSA id z70sm4453608qkb.60.2019.10.21.10.25.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Oct 2019 10:25:12 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH v6 3/4] arm64: use both ZONE_DMA and ZONE_DMA32 Date: Mon, 21 Oct 2019 13:25:11 -0400 Message-Id: References: <6703f8dab4a21fe4e1049f8f224502e1733bf72c.camel@suse.de> Cc: linux-rpi-kernel@lists.infradead.org, f.fainelli@gmail.com, will@kernel.org, marc.zyngier@arm.com, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, Rob Herring , linux-mm@kvack.org, mbrugger@suse.com, wahrenst@gmx.net, phill@raspberrypi.org, Robin Murphy , Christoph Hellwig , linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com In-Reply-To: <6703f8dab4a21fe4e1049f8f224502e1733bf72c.camel@suse.de> To: Nicolas Saenz Julienne X-Mailer: iPhone Mail (17A878) 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 Oct 21, 2019, at 1:01 PM, Nicolas Saenz Julienne wrote: >=20 > Could you enable CMA debugging to see if anything interesting comes out of= it. I did but nothing interesting came out. Did you use the same config I gave? A= lso, it has those cmdline. page_poison=3Don page_owner=3Don numa_balancing=3Denable \ systemd.unified_cgroup_hierarchy=3D1 debug_guardpage_minorder=3D1 \ page_alloc.shuffle=3D1=