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Tue, 18 May 2021 13:09:44 -0700 (PDT) Received: from localhost.localdomain ([2405:201:9005:8001:6c07:1f32:4738:c807]) by smtp.gmail.com with ESMTPSA id h22sm12794111pfn.55.2021.05.18.13.09.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 May 2021 13:09:43 -0700 (PDT) From: Souptick Joarder To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Souptick Joarder , kernel test robot Subject: [PATCH] mm/huge_memory.c: Remove unused variable unmap_success Date: Wed, 19 May 2021 01:39:27 +0530 Message-Id: <20210518200927.69011-1-jrdr.linux@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=Dyn73zCI; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf11.hostedemail.com: domain of jrdrlinux@gmail.com designates 209.85.214.171 as permitted sender) smtp.mailfrom=jrdrlinux@gmail.com X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: BDFD52000398 X-Stat-Signature: 7bru5seenhjms665ze91rn6mpo34tfrz X-HE-Tag: 1621368582-249844 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: Kernel test robot throws below warning -> mm/huge_memory.c: In function 'unmap_page': >> mm/huge_memory.c:2345:7: warning: variable 'unmap_success' set but not used [-Wunused-but-set-variable] 2345 | bool unmap_success; | ^~~~~~~~~~~~~ Remove the unused variable unmap_success. Reported-by: kernel test robot Signed-off-by: Souptick Joarder Reviewed-by: David Hildenbrand --- mm/huge_memory.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 52ca04b905cf..ff79a12993c9 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2342,14 +2342,13 @@ static void unmap_page(struct page *page) { enum ttu_flags ttu_flags = TTU_IGNORE_MLOCK | TTU_RMAP_LOCKED | TTU_SPLIT_HUGE_PMD; - bool unmap_success; VM_BUG_ON_PAGE(!PageHead(page), page); if (PageAnon(page)) ttu_flags |= TTU_SPLIT_FREEZE; - unmap_success = try_to_unmap(page, ttu_flags); + try_to_unmap(page, ttu_flags); } static void remap_page(struct page *page, unsigned int nr)