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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1644374202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=JhaRiHxNGMaWK3YKZvBkBs+xYo59cXloX0HvpTiAB2I=; b=XnW+pZHOYqYOKhHfiGql7fIwcVeqACsYAl7tZjX02IBYJaQTLBb3yY4b0bGn0+3IZaBMrK 8d8+hwoWd6deui7/X70eiWnnBYoPyBo1VgIGOw8Q+hqRDdofu5PW3PhVhEBiOQ1aDuTC6D kv0L/n/u7SACrZCBjUDxxZ67nbvjPdE= From: Cai Huoqing To: cai.huoqing@linux.dev Cc: Andrew Morton , Peter Xu , Yang Shi , David Hildenbrand , Stephen Rothwell , Miaohe Lin , Axel Rasmussen , Colin Cross , Alistair Popple , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH] fs/proc: task_mmu.c: Fix the error-unused variable 'migration' Date: Wed, 9 Feb 2022 10:35:59 +0800 Message-Id: <20220209023602.21929-1-cai.huoqing@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, TO_EQ_FM_DIRECT_MX,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Avoid the error-unused variable 'migration' when CONFIG_TRANSPARENT_HUGEPAGE and CONFIG_ARCH_ENABLE_THP_MIGRATION are not enabled. Signed-off-by: Cai Huoqing --- fs/proc/task_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index bc2f46033231..b055ff29204d 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1441,7 +1441,7 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, spinlock_t *ptl; pte_t *pte, *orig_pte; int err = 0; - bool migration = false; + bool migration __maybe_unused = false; #ifdef CONFIG_TRANSPARENT_HUGEPAGE ptl = pmd_trans_huge_lock(pmdp, vma); -- 2.25.1