From patchwork Thu Jun 22 08:39:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13288473 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id CAF06EB64DA for ; Thu, 22 Jun 2023 08:40:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5C7558D0005; Thu, 22 Jun 2023 04:40:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 54F7B8D0001; Thu, 22 Jun 2023 04:40:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3F0258D0005; Thu, 22 Jun 2023 04:40:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 2B2B28D0001 for ; Thu, 22 Jun 2023 04:40:09 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id D97D31A08EA for ; Thu, 22 Jun 2023 08:40:08 +0000 (UTC) X-FDA: 80929736496.14.AA3C200 Received: from out-60.mta1.migadu.com (out-60.mta1.migadu.com [95.215.58.60]) by imf25.hostedemail.com (Postfix) with ESMTP id EABD1A000E for ; Thu, 22 Jun 2023 08:40:06 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=uZy8afII; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf25.hostedemail.com: domain of qi.zheng@linux.dev designates 95.215.58.60 as permitted sender) smtp.mailfrom=qi.zheng@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1687423207; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=w53NcBmn/IPVgjrXh3hKsvtsk7tDad26SsdH585QToY=; b=OUyCwJnfbRXlnZZZcqNnNI8OUQdRNPZkRMuzoA/TpdShrjw0SCqnCFiwvbhDutqP3OZV92 yJ/FoAtVTnA07AV2iO+NpGg13EYoSi6FVV/Ij7vEn4tJsQVsEICbHP2C4jcOoRw53b9rC5 k56jzz9hcvAAjBHesyxQ7gNfSKOrRsM= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=uZy8afII; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf25.hostedemail.com: domain of qi.zheng@linux.dev designates 95.215.58.60 as permitted sender) smtp.mailfrom=qi.zheng@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1687423207; a=rsa-sha256; cv=none; b=imWSf1JFG10IGbX13UseN/axhrBbXCDjj+9tXGWm/HkspIERURXlN8IKENnlNy+Moofrsr 3YExss5r1/rbrix8hmXCCsk0KbDabrzMvPCy5cneHDQTAIKhWWWHKAasmTUum4r5Gesy6d M9EfmZGLPlXMkvG0BllHvAsRt5wd+rU= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1687423205; 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: in-reply-to:in-reply-to:references:references; bh=w53NcBmn/IPVgjrXh3hKsvtsk7tDad26SsdH585QToY=; b=uZy8afIIaTcmGAVwL6Pco/ne9cw31HmEUrdetQu4BJTqJA7zlS9UK3eZ5SfX6giO4SjLQy PxnX2CgCeGRGVX7K17r1GkyPshe6W0lM18UnLTU7dFXZJdYjJyuXXudi6+jiw8yCyJhgh6 L8fjpIGb1fLrLDxLVbx48z8ApZZu3BE= From: Qi Zheng To: akpm@linux-foundation.org, david@fromorbit.com, tkhai@ya.ru, vbabka@suse.cz, roman.gushchin@linux.dev, djwong@kernel.org, brauner@kernel.org, paulmck@kernel.org, tytso@mit.edu Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, dm-devel@redhat.com, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-nfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-btrfs@vger.kernel.org, Qi Zheng Subject: [PATCH 01/29] mm: shrinker: add shrinker::private_data field Date: Thu, 22 Jun 2023 08:39:04 +0000 Message-Id: <20230622083932.4090339-2-qi.zheng@linux.dev> In-Reply-To: <20230622083932.4090339-1-qi.zheng@linux.dev> References: <20230622083932.4090339-1-qi.zheng@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: EABD1A000E X-Stat-Signature: tpua9u3f48hiepgcib784o3qqy1nx3m7 X-Rspam-User: X-HE-Tag: 1687423206-868242 X-HE-Meta: U2FsdGVkX19gj579LkNz9kS7wCuVMWGz9wggxGhoI6/APi6J+LManXpwA7UHlhbnd7XBAPPmPk+vss0YB6iCgpdWlHu4ub8YQ+m4HOeGwgPP/1T17QFdE3DgWdmMz1lVdK5PnDjxwTx97ec9kCaORe1SlXsjbW+0G+27L+JAkdn1f888IfHJupnmbOxtxI7ISXqVjU3B5B6XMmuWAB4jQA8FIHG3YkKJdeoL2j9+/H8OJlDfnJLfmMi6r+sJ2RPGZc+yWnzWp7qC/eksZy2bnaKuCklwRWhqM9ZcbOYfRrlebiE/pmuJKqdxhpXn5shXdEVtZ7zrFKiIELrsnbTeT8cNxMsoG3QvKhnNFgab0Ix1tBcgSCZZSFYN/lRPuSRbqyWh1qpo0uLyEL+9TdbjmeDgOpHd/QjkI1E4HfcufiCwT+yImA2Q9IzIXBb/dX71qWDL0IvCMXBGj13QD55zvwhlRHnO7JaK4ISuBxSPxFjpE4I494j8Wzqxj4qyjeHIWbg+IdHO/WRmPmvbBfH8pt749L7ZYBE3VLU659jpOr7x6WyyVmUdWoDymrgqW2zww4Pjyh9Y1zPDWa+0Um2MDdrEJoQbn5SLUOvHzAECrg1oyK8u9nAFDvh0Ps9tR/BPiy+lIQP2XsZNSSlFlCg5EnoEU0GYWRaFGLHfdB8ISQHrJ8yumA+C/l1jBmfDQc8hCij18zabPkdCkdkWuybMdqIq9ONyI65dNO+B1Yjy2C2X8/2VT7Eb80r+EE9vQkxlkzQTmVkXmyXsfEFlUj7ZCHvgcfpvXoVA91HF3Kjfj4lWmyIg4t3m8VgEQzO0W5qpyVA4b6bSIJgXT3WJ7s0blVvF/LJASXRckkz9usRm7lInPXPWQfPvWBNNuuq07npxfYiZKdAtNg5sdAPxq/tPALGqbsV+fC+gZHzSbqlZvEJW4CnLEF/1Yc6CyHhAVbMjcj8T1g1C42i4drnWOWg AmxpogDs XBkaKyEqRXFgLREhLkf6Kj1IgffA5sSbnZEUMcx04rrQ0elppy1bhwRjdfsKeGr0pdLkzTzEGNx3IauvI0GhIQme7yGaJmcrKY69QJaeOpBL1zDZEyVK+tPiRB4n8xv+PT4VEuOEL1/KNENnb+6Z880Aa+/zZLSoLfcFIRO/87ZFKnsPzfTob+VVrpA/qZMv9athXsypxDlot1sv4PWMXL94LGnktIPCy6GBcxbjiiOzOoiSzbw3bKuVJ6MvVA61QByVbjpu2kGv3Dw52mKfiHZupC/lQyFZ7dtZJE/H3SRTWnMI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Qi Zheng To prepare for the dynamic allocation of shrinker instances embedded in other structures, add a private_data field to struct shrinker, so that we can use shrinker::private_data to record and get the original embedded structure. Signed-off-by: Qi Zheng --- include/linux/shrinker.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index 224293b2dd06..43e6fcabbf51 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -70,6 +70,8 @@ struct shrinker { int seeks; /* seeks to recreate an obj */ unsigned flags; + void *private_data; + /* These are for internal use */ struct list_head list; #ifdef CONFIG_MEMCG