From nobody Thu Jan 30 23:29:37 2025 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D72A25A65B; Fri, 17 Jan 2025 02:14:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737080088; cv=none; b=SrEMJOIKuwjjKD7nKQB9kl/wQqbIgmrBNCsYlPdU58Im+zVcnvPHk07ZGOf+2WfB8wo02Q6LOX+XUGT1yH2qzWbeYQedi7ONrAqjitrHDv9ZXqwugyXrTssq3F83YhpZOR83StP1MbwDRT4tLCg+CEW4aGjGFW7XO8+QBKC3/Wk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737080088; c=relaxed/simple; bh=t8ZApSVZF7kYvsUpMXc542nOM3zha9IX6Jo+ZeLhhiE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=XsROT4Ng1tloTEVCsLe8y2hVi1sEHs3H7UF90p+VKRyOMfhRGLyUeUscod/4df2hTMCOtCM7yF2RDlvnIHfSauBkjfYuOQDDzFJbPY7XHJYgBg9i39dz3mwTRbdRt2Zrpucnc1Uyx7p5qtptU1y3W9mtnR3I8kDoElwgNAPZ6EM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4YZ2t661Rpz4f3jt1; Fri, 17 Jan 2025 09:57:18 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.75]) by mail.maildlp.com (Postfix) with ESMTP id 185F81A177B; Fri, 17 Jan 2025 09:57:34 +0800 (CST) Received: from hulk-vt.huawei.com (unknown [10.67.174.121]) by APP2 (Coremail) with SMTP id Syh0CgCnsWT7uIln8NWrBA--.20802S3; Fri, 17 Jan 2025 09:57:33 +0800 (CST) From: Chen Ridong To: akpm@linux-foundation.org, mhocko@kernel.org, hannes@cmpxchg.org, yosryahmed@google.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, davidf@vimeo.com, vbabka@suse.cz, mkoutny@suse.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, chenridong@huawei.com, wangweiyang2@huawei.com Subject: [PATCH v3 next 1/5] memcg: use OFP_PEAK_UNSET instead of -1 Date: Fri, 17 Jan 2025 01:46:41 +0000 Message-Id: <20250117014645.1673127-2-chenridong@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250117014645.1673127-1-chenridong@huaweicloud.com> References: <20250117014645.1673127-1-chenridong@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: Syh0CgCnsWT7uIln8NWrBA--.20802S3 X-Coremail-Antispam: 1UD129KBjvdXoWrZFWrJF43Cw1xWF1xWr4Uurg_yoWfGFX_uF WkKr1DZr15J3ySk3Z0yrySvrnayF1UX347Kw45tw13AFyqqasYvF1vqr4vvw1kXr47try3 Cwsaqayqgw12gjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbDAYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7IE14v26r18M2 8IrcIa0xkI8VCY1x0267AKxVW8JVW5JwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK 021l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r 4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx 0E2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWU JVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCY1x0262kKe7AKxV WUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E 14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIx kGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAF wI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r 4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jjuWdU UUUU= X-CM-SenderInfo: hfkh02xlgr0w46kxt4xhlfz01xgou0bp/ From: Chen Ridong The 'OFP_PEAK_UNSET' has been defined, use it instead of '-1'. Signed-off-by: Chen Ridong Reviewed-by: Michal Koutn=C3=BD Acked-by: David Finkel Acked-by: Shakeel Butt Acked-by: Johannes Weiner --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 46f8b372d212..05a32c860554 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4004,7 +4004,7 @@ static ssize_t peak_write(struct kernfs_open_file *of= , char *buf, size_t nbytes, WRITE_ONCE(peer_ctx->value, usage); =20 /* initial write, register watcher */ - if (ofp->value =3D=3D -1) + if (ofp->value =3D=3D OFP_PEAK_UNSET) list_add(&ofp->list, watchers); =20 WRITE_ONCE(ofp->value, usage); --=20 2.34.1