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[217.140.110.172]) by mx.google.com with ESMTP id g18si1864601eji.362.2019.06.13.05.22.50 for ; Thu, 13 Jun 2019 05:22:51 -0700 (PDT) Received-SPF: pass (google.com: domain of catalin.marinas@arm.com designates 217.140.110.172 as permitted sender) client-ip=217.140.110.172; Authentication-Results: mx.google.com; spf=pass (google.com: domain of catalin.marinas@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=catalin.marinas@arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 42F202B; Thu, 13 Jun 2019 05:22:50 -0700 (PDT) Received: from C02TF0J2HF1T.local (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 65EAC3F694; Thu, 13 Jun 2019 05:22:48 -0700 (PDT) Date: Thu, 13 Jun 2019 13:22:43 +0100 From: Catalin Marinas To: =?iso-8859-1?Q?Andr=E9?= Almeida Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel@collabora.com, akpm@linux-foundation.org Subject: Re: [PATCH v2 1/2] mm: kmemleak: change error at _write when kmemleak is disabled Message-ID: <20190613122243.GQ28951@C02TF0J2HF1T.local> References: <20190612155231.19448-1-andrealmeid@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190612155231.19448-1-andrealmeid@collabora.com> User-Agent: Mutt/1.11.2 (2019-01-07) 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 Wed, Jun 12, 2019 at 12:52:30PM -0300, André Almeida wrote: > According to POSIX, EBUSY means that the "device or resource is busy", > and this can lead to people thinking that the file > `/sys/kernel/debug/kmemleak/` is somehow locked or being used by other > process. Change this error code to a more appropriate one. > > Signed-off-by: André Almeida Acked-by: Catalin Marinas