From patchwork Wed Apr 5 16:36:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tom Rix X-Patchwork-Id: 79807 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp447710vqo; Wed, 5 Apr 2023 09:46:21 -0700 (PDT) X-Google-Smtp-Source: AKy350ZQT7NkAS1bfwrLl2tsZ5cuQx8GstfB235Qvol9xOHF7ABiE4nPcKq54YCGgRs/U6GqGM4S X-Received: by 2002:a17:903:2890:b0:19f:188c:3e34 with SMTP id ku16-20020a170903289000b0019f188c3e34mr6018095plb.53.1680713181432; Wed, 05 Apr 2023 09:46:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680713181; cv=none; d=google.com; s=arc-20160816; b=kMtjfdFYGIbrEaAwPfgCjshoQ0mJljGEswj6YyULGNJBV8c5K67w1TKMQzu8xQJMia 77wS7z6+pVYJy1d3DPrKEPFVeqyOjIBxT5GDWqkIbUv7J3QWnZL+8FPusvywTxo3uWAh IU3pC4ZLF1NF0MVx20lzU63BgMfkL3jEi79zU8SQ5EK4wYdrVo/ms5jAwJi+5qv6t2rH vMGbj+aagKRla3vli1REuR8VjMQfkdvc3jf0p4vBRErucjWDVbRAXI1ADZfY7gHfC/Rk otPFRmXN1e1Rcxi2jZkH8NXc2LJYX4Ei4aMLhIes/6QfD7vV5ZJ2q7hFc7HMFEFpmN/P 28Kw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=uRp7zyhJ6Yi3pRFyCp4cjb1Sb4xwEdR02ajcxUWQYvo=; b=eWn2AomXFCVSzOhlBMjICODb7g/TnP+3uyfPyEZsLnOSVykamuUce7z0TiBQhLdNz5 RoTD8IDM520WUYQ/+Exm6Hn1eLyC9b0/hX3U5PPco94L/cADE9GUG6+HRXHcYFELdKKv LBVF+n0ptD0+1QzrEolPWEdTVXu3T63XHrpG3qO0iXJOr8CRtQvJLfgPiMXRwdf6Mve/ XsTDiAIHkaaOiWDBzuiu0Y5nRq/CKivCF23A4115SKoxMahbtd96rsvlUUeyKbGUhoop mfKwcVr21CZrSxa3iLStvqGuJYDK1eEw1B/VRyz6q60UU52cq6qeMtlJyAUcZ0uu0Y/z Dr1g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=CoVaFIan; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id z25-20020a656659000000b0051344de997fsi11984913pgv.437.2023.04.05.09.46.08; Wed, 05 Apr 2023 09:46:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=CoVaFIan; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232224AbjDEQg7 (ORCPT + 99 others); Wed, 5 Apr 2023 12:36:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229590AbjDEQg5 (ORCPT ); Wed, 5 Apr 2023 12:36:57 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DE2040C9 for ; Wed, 5 Apr 2023 09:36:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680712569; 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=uRp7zyhJ6Yi3pRFyCp4cjb1Sb4xwEdR02ajcxUWQYvo=; b=CoVaFIanPWMi1Hnu1LCc3UUTB46vcWvMfJCtQss9oi7QYfcgXmRoO666tHRS2UpNuaCMlr dD5c/Jt38Ar+nvm/gDJWPqx7uO2T0dx1atrzxQ2zNRdjYUFL749rnNAz0wTMZMQysptNqe ZRVQO21TmDkEUoR3aiPHQ12yldgDMtg= Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-41-Y_zvxVkJPgaN4gHkbg8yQQ-1; Wed, 05 Apr 2023 12:36:06 -0400 X-MC-Unique: Y_zvxVkJPgaN4gHkbg8yQQ-1 Received: by mail-qk1-f198.google.com with SMTP id r197-20020a37a8ce000000b0074a59c12b10so2511570qke.5 for ; Wed, 05 Apr 2023 09:36:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680712565; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=uRp7zyhJ6Yi3pRFyCp4cjb1Sb4xwEdR02ajcxUWQYvo=; b=w0vN8PnWiEXaTqGS14ONRuBMcvj0yG4qDSdWmSnrGfbezrDVtOQTQVT2JjUnpYe19a UAeYncyv6Kx+KFj7lyiOuv/Gn2pFCJ0tX9I257hdh+Qyk+tlXfySkKeD1XCga05D5Z8l rNR/bw0pxhKTMNI1l1lCtXdNGPX6UzqDtrGWFyaqjuSo+ddZtqbhsKwWUcZLKCxKIfpe fwKIOWrhsNrFKap2y+2vqAsWbo6kI9cfNdWx3s+GfllwfqX79KWzrCqPUrvtYBwxtz3Z HFSqB+Y4cCUlQe41e8VeBObyJ9jrQ0aALT+RtgJTpNgnGWYe+hPzIHQpEkFnm8ygUDpa 4fGw== X-Gm-Message-State: AAQBX9fgH4Q4mNVkJn62LK7151ZY1PnoBM0z+dDF9vE1FKL5ZiCz/yuH sbzMMSgq1CIxH//k9f3Gt1D0IuTx/W97CCub0/7/1BDwkzNHNyDlghPfPDHDFHkQYrfNHECRM4B ykzqfTinPAsdNA1qlDMH8mVI1 X-Received: by 2002:ad4:5767:0:b0:5b8:d0b5:9a46 with SMTP id r7-20020ad45767000000b005b8d0b59a46mr11567508qvx.37.1680712565582; Wed, 05 Apr 2023 09:36:05 -0700 (PDT) X-Received: by 2002:ad4:5767:0:b0:5b8:d0b5:9a46 with SMTP id r7-20020ad45767000000b005b8d0b59a46mr11567474qvx.37.1680712565339; Wed, 05 Apr 2023 09:36:05 -0700 (PDT) Received: from dell-per740-01.7a2m.lab.eng.bos.redhat.com (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id da6-20020a05621408c600b005e1235e6f2esm4349493qvb.12.2023.04.05.09.36.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Apr 2023 09:36:05 -0700 (PDT) From: Tom Rix To: hannes@cmpxchg.org, surenb@google.com, mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com Cc: linux-kernel@vger.kernel.org, Tom Rix Subject: [PATCH] sched/psi: set varaiable psi_cgroups_enabled storage-class-specifier to static Date: Wed, 5 Apr 2023 12:36:02 -0400 Message-Id: <20230405163602.1939400-1-trix@redhat.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=unavailable 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 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762355504980210650?= X-GMAIL-MSGID: =?utf-8?q?1762355504980210650?= smatch reports kernel/sched/psi.c:143:1: warning: symbol 'psi_cgroups_enabled' was not declared. Should it be static? This variable is only used in one file so should be static. Signed-off-by: Tom Rix Acked-by: Johannes Weiner Acked-by: Suren Baghdasaryan --- kernel/sched/psi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index 02e011cabe91..c8a556eb9f8a 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -140,7 +140,7 @@ static int psi_bug __read_mostly; DEFINE_STATIC_KEY_FALSE(psi_disabled); -DEFINE_STATIC_KEY_TRUE(psi_cgroups_enabled); +static DEFINE_STATIC_KEY_TRUE(psi_cgroups_enabled); #ifdef CONFIG_PSI_DEFAULT_DISABLED static bool psi_enable;