From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B43BC4CECE for ; Tue, 17 Sep 2019 20:30:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C4DAD2054F for ; Tue, 17 Sep 2019 20:30:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="b2heVtMa" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4DAD2054F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lca.pw Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 736336B0005; Tue, 17 Sep 2019 16:30:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6E5E66B0006; Tue, 17 Sep 2019 16:30:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5D53F6B0007; Tue, 17 Sep 2019 16:30:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0051.hostedemail.com [216.40.44.51]) by kanga.kvack.org (Postfix) with ESMTP id 3E3D26B0005 for ; Tue, 17 Sep 2019 16:30:45 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id A9DBD4404 for ; Tue, 17 Sep 2019 20:30:44 +0000 (UTC) X-FDA: 75945556008.26.sign42_2386049e9d762 X-HE-Tag: sign42_2386049e9d762 X-Filterd-Recvd-Size: 3453 Received: from mail-qk1-f194.google.com (mail-qk1-f194.google.com [209.85.222.194]) by imf26.hostedemail.com (Postfix) with ESMTP for ; Tue, 17 Sep 2019 20:30:44 +0000 (UTC) Received: by mail-qk1-f194.google.com with SMTP id x134so5528030qkb.0 for ; Tue, 17 Sep 2019 13:30:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=from:to:cc:subject:date:message-id; bh=FapF/w8V6L5P4RP46nAQFrAdDN4jwAlxC54JDkAvfWE=; b=b2heVtMaAE//iiVUcKsZr0w7awdslPkqyQbYNyjGPHEL5W+LgsLzJdHgLusSCvcjFf YvSE5Y384otm0G5eZOgbTalFDAnlo01PRpnbLoB2ayOgzzTvNYCOnP4IGWEDYDbQ4qVD dLFolbhNPH4v6x1Pps+vdpjxTD8MKBvF9f5WuyV4U/4gF4NrkK8t59Lk1P6YK3FtQTW5 hkfqNyCR2qrlhcy5XdsCerD3vDypFmfHqqZDSITyUW3Bpfw6Pwbmq7Wfcg/fHMOiKMxO PypYyKoxR5XSuCydNmltfumpdY8vQfvEYwhwI+VzGz4AnmdtC70mTm1ttcp//WcrmOwp Cytw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=FapF/w8V6L5P4RP46nAQFrAdDN4jwAlxC54JDkAvfWE=; b=TWrz2F4t/AELVZnGpWo6iA/g4cM5XoB1Km/znTLJQcjZm+J5GROFPaKeNo11hTurxa teAwi+CebqD13KThUp9TdXvJF+UKZnEtajcYfvTA4N/lrdw+WkCxpOy9Chb7fUlLllhs 2/3pDyo4muYc77YICF5pLAnjQTFoeFjSCdTBtuiGMsd4+J0tglCv+hk/zcG4qaFSpEcz tflXzb+Y1GFidlN5hjK1qlMsq5pjpWfNS0B8/2yY52WkfCqgbbIGgDw+RcJ2jyaIKMem 88mic5aFYp5FbQw7SyCsphMu6mQf/R8eGF6XLblAGiQfh8g5jHDqyrxkM/9gtNisgIsj vo7g== X-Gm-Message-State: APjAAAVuXT8qthzCvyiqGs4qDxOt2h+5rHD++NIwgRIOfFXSDkQrFIZI +U797ldpfZeT0To2qCNvjb6UUg== X-Google-Smtp-Source: APXvYqxAmisQfB6dzZqw466gLLRXufi21otNJ/5du7EZOaLPbhdALpCQOrklxXZW9Tlgu7tiOQD7Gg== X-Received: by 2002:a37:9d93:: with SMTP id g141mr427405qke.188.1568752243366; Tue, 17 Sep 2019 13:30:43 -0700 (PDT) Received: from qcai.nay.com (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id 139sm1822874qkf.14.2019.09.17.13.30.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Sep 2019 13:30:42 -0700 (PDT) From: Qian Cai To: akpm@linux-foundation.org Cc: rientjes@google.com, cl@linux.com, penberg@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Qian Cai Subject: [PATCH] mm/slub: fix -Wunused-function compiler warnings Date: Tue, 17 Sep 2019 16:30:32 -0400 Message-Id: <1568752232-5094-1-git-send-email-cai@lca.pw> X-Mailer: git-send-email 1.8.3.1 X-Bogosity: Ham, tests=bogofilter, spamicity=0.030575, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tid_to_cpu() and tid_to_event() are only used in note_cmpxchg_failure() when SLUB_DEBUG_CMPXCHG=y, so when SLUB_DEBUG_CMPXCHG=n by default, Clang will complain that those unused functions. Signed-off-by: Qian Cai --- mm/slub.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/slub.c b/mm/slub.c index 8834563cdb4b..49739f005b4f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2004,6 +2004,7 @@ static inline unsigned long next_tid(unsigned long tid) return tid + TID_STEP; } +#ifdef SLUB_DEBUG_CMPXCHG static inline unsigned int tid_to_cpu(unsigned long tid) { return tid % TID_STEP; @@ -2013,6 +2014,7 @@ static inline unsigned long tid_to_event(unsigned long tid) { return tid / TID_STEP; } +#endif static inline unsigned int init_tid(int cpu) { -- 1.8.3.1