From nobody Thu Dec 18 08:11:44 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 4E81714A4D1; Fri, 6 Dec 2024 01:45:11 +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=1733449513; cv=none; b=O3TdHhkjHPNiY8esI0+YxWxQVKkbfbXfWp36SzSWjKEJFe0geP9iZ8mpvgX6zIQ0kAkXVMyoQizQaBg8rTpD83abyx5dMGurklhAa5zagS4f6PVGOG9IFGDRtI9r88I8uqfhYq3VsRoxoMk5/xrRkt/KVyGfSDDVv0y9nNnqP80= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733449513; c=relaxed/simple; bh=FdjO5+1U4DJIrmps4/q0FKHWopDE6PC3w3NXPF+NO0Q=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=L5uvxfikBTxTX3jNntp0XRUWwUOqdRlk/AqsMXPH3BPdrJcV/jT0uQBHMX884gTgmkpbmE3AAnTcAHRnrMCMXXEPjp071FnhUHjwf5yHboF8VCVvWTMFV2lbsex3vQN9aqM5SEMJa4iKXvaaN5ljCeo2gtUUWpV/TgMTUcTCG6Y= 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 4Y4Db44dh4z4f3jqZ; Fri, 6 Dec 2024 09:44:48 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id A010B1A0A22; Fri, 6 Dec 2024 09:45:02 +0800 (CST) Received: from hulk-vt.huawei.com (unknown [10.67.174.121]) by APP4 (Coremail) with SMTP id gCh0CgD30oYKV1JnkkskDw--.31315S3; Fri, 06 Dec 2024 09:45:02 +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 Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, chenridong@huawei.com, wangweiyang2@huawei.com Subject: [next -v1 1/5] memcg: use OFP_PEAK_UNSET instead of -1 Date: Fri, 6 Dec 2024 01:35:08 +0000 Message-Id: <20241206013512.2883617-2-chenridong@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241206013512.2883617-1-chenridong@huaweicloud.com> References: <20241206013512.2883617-1-chenridong@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: gCh0CgD30oYKV1JnkkskDw--.31315S3 X-Coremail-Antispam: 1UD129KBjvdXoWrZFWrJF48XF4kAF15tw4UXFb_yoWxKrg_uF 97Kr1Dur15J34Sk3WqyrySvFn2yF1Uuw1DKw15tw13AF9Yq3sYvF1kXr4Fvry8ZrW3try3 uwsYqayqgr12kjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb9AYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7IE14v26r18M2 8IrcIa0xkI8VCY1x0267AKxVW8JVW5JwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK 021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r 4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx 0E2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWU JVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCY1x0262kKe7AKxV WUtVW8ZwCF04k20xvY0x0EwIxGrwCF54CYxVCY1x0262kKe7AKxVWUtVW8ZwCFx2IqxVCF s4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r 1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWU JVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r 1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1U YxBIdaVFxhVjvjDU0xZFpf9x07jjuWdUUUUU= X-CM-SenderInfo: hfkh02xlgr0w46kxt4xhlfz01xgou0bp/ Content-Type: text/plain; charset="utf-8" From: Chen Ridong The 'OFP_PEAK_UNSET' has been defined, use it instead of '-1'. Signed-off-by: Chen Ridong Acked-By: David Finkel Acked-by: Shakeel Butt Reviewed-by: Michal Koutn=C3=BD --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7b3503d12aaf..fc18633aba5d 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4014,7 +4014,7 @@ 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