From patchwork Thu Jun 22 08:53:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13288577 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1833C001E0 for ; Thu, 22 Jun 2023 08:55:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231272AbjFVIzI (ORCPT ); Thu, 22 Jun 2023 04:55:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231467AbjFVIyl (ORCPT ); Thu, 22 Jun 2023 04:54:41 -0400 Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DAD422105 for ; Thu, 22 Jun 2023 01:54:11 -0700 (PDT) Received: by mail-pl1-x632.google.com with SMTP id d9443c01a7336-1b5466bc5f8so9651725ad.1 for ; Thu, 22 Jun 2023 01:54:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1687424051; x=1690016051; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=DFMKKDRv9BEw0wZ8UUzCf9pHUtxe8HkFUWg9bN69VRM=; b=AuFJ2ff77l/LXEOtYzZWEupZaAfbwt3boPeShk25fcGMwTsb6VlfqfAhMOVgIPnKgi eqcOSF5WVHBBVioigqwmY9UAoTi5JEhiUSGdMReu4dDGNOFEVgxVIc2OKO3nltUsVDLn bIiXH0DnqlXam4z90R2tFa6XgNVpJSLaIq6Gbf9RXLnB8BOaf0v/n1c1hG3kRZPk0MVc mjQpq7kQFhiCgtBijMi8fR+x4TAH8zuouOKbSAqWM+GHeJnchPRb4XIBJxswbiSbm3XO sXBcqfmZ/ARe540iNA/E7F7ZKvP/VvSbnbTILDPrN3l0DanjIGoHjsT1U12ioP3F05dG yTtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687424051; x=1690016051; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DFMKKDRv9BEw0wZ8UUzCf9pHUtxe8HkFUWg9bN69VRM=; b=OlWHlJhR6u/pGlIFxKrYmIfrMlnOltM6frlPbfQDJ6bPBXU5cAo6b6a4fOayc7m0Yk 8DfLbY/5/GVpa7C+7kGAku/SRy0cib2rNEo5oXJQm0LeYjtV+HBkv6+wyvtl6pcv4GMN PbsQogS0WHenPwN3m0b48s4hMjLfG36PjIokNlLeURY0rA603J3+qbN4jYXeZ1g5Xk7e AZdgaFRSgicTMq3m7EKig8swbdYjC7Yl25GC6FS/dN8XYGbv8JCrJjmpVJoO+QyanJH5 ykdZlKn4I60v32tsYiiNar6sIR6kUphLNiVKoCd2gYDz6kwk3E+YjPLSRU6anCNd4Jfg 5YwQ== X-Gm-Message-State: AC+VfDzQV37zHLJnE+8DxrkbV3nxNvJBPg8Wa3YYMAhhPBGZi+0WhwGq MjYf/s5VQuBSpvI1q1WUS5dzCg== X-Google-Smtp-Source: ACHHUZ41Ov0V9PIJeBixnqaY8MSMJrvGTOtmFbuG0vAMaQAXgKytEj5uEpxgQHkUs9eKy8wwGzA30Q== X-Received: by 2002:a17:902:f691:b0:1b3:d4bb:3515 with SMTP id l17-20020a170902f69100b001b3d4bb3515mr21827814plg.0.1687424051106; Thu, 22 Jun 2023 01:54:11 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([139.177.225.254]) by smtp.gmail.com with ESMTPSA id h2-20020a170902f7c200b001b549fce345sm4806971plw.230.2023.06.22.01.54.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 01:54:10 -0700 (PDT) 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, 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 16:53:07 +0800 Message-Id: <20230622085335.77010-2-zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20230622085335.77010-1-zhengqi.arch@bytedance.com> References: <20230622085335.77010-1-zhengqi.arch@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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