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[91.189.89.112]) by mx.google.com with ESMTPS id n1-v6si19568804wrr.373.2018.07.14.09.11.26 for (version=TLS1 cipher=AES128-SHA bits=128/128); Sat, 14 Jul 2018 09:11:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of colin.king@canonical.com designates 91.189.89.112 as permitted sender) client-ip=91.189.89.112; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of colin.king@canonical.com designates 91.189.89.112 as permitted sender) smtp.mailfrom=colin.king@canonical.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1feN8o-0006my-2e; Sat, 14 Jul 2018 16:11:26 +0000 From: Colin King To: =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-mm@kvack.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] mm/hmm.c: remove redundant variables align_start and align_end Date: Sat, 14 Jul 2018 17:11:24 +0100 Message-Id: <20180714161124.3923-1-colin.king@canonical.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 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: X-Virus-Scanned: ClamAV using ClamSMTP From: Colin Ian King Variables align_start and align_end are being assigned but are never used hence they are redundant and can be removed. Cleans up clang warnings: warning: variable 'align_start' set but not used [-Wunused-but-set-variable] warning: variable 'align_size' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King --- mm/hmm.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/mm/hmm.c b/mm/hmm.c index caf9df27599e..76e7a058b32f 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -973,10 +973,7 @@ static RADIX_TREE(hmm_devmem_radix, GFP_KERNEL); static void hmm_devmem_radix_release(struct resource *resource) { - resource_size_t key, align_start, align_size; - - align_start = resource->start & ~(PA_SECTION_SIZE - 1); - align_size = ALIGN(resource_size(resource), PA_SECTION_SIZE); + resource_size_t key; mutex_lock(&hmm_devmem_lock); for (key = resource->start;