From patchwork Thu Jun 22 08:24:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13288413 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 0C27BEB64DA for ; Thu, 22 Jun 2023 08:26:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230180AbjFVI0W (ORCPT ); Thu, 22 Jun 2023 04:26:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230017AbjFVI0R (ORCPT ); Thu, 22 Jun 2023 04:26:17 -0400 Received: from out-13.mta0.migadu.com (out-13.mta0.migadu.com [91.218.175.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F9AD1FC0 for ; Thu, 22 Jun 2023 01:26:13 -0700 (PDT) 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=1687422370; 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=XwhMjboYkO1IjigA7jJUMcuvrlsYL6AEdKhP6EAdQek7nGl7SCwZP+s1KaXaDd0EbpkijC WzHmsAAL7fH0Q68pqE9kbEs/wm6WDN8VuTFUTe+F4YIjoGCH/bDYiJlTs6zAXz5aY/DcIU qOKI3csGnCUAw3UqbPNbuNVS2tXOJrg= 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: airlied@gmail.com, daniel@ffwll.ch, robdclark@gmail.com, quic_abhinavk@quicinc.com, dmitry.baryshkov@linaro.org, sean@poorly.run, marijn.suijten@somainline.org, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, agk@redhat.com, snitzer@kernel.org, song@kernel.org, colyli@suse.de, kent.overstreet@gmail.com, namit@vmware.com, gregkh@linuxfoundation.org, mst@redhat.com, david@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, viro@zeniv.linux.org.uk, adilger.kernel@dilger.ca, jack@suse.com, chuck.lever@oracle.com, neilb@suse.de, kolga@netapp.com, minchan@kernel.org, senozhatsky@chromium.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, christian.koenig@amd.com, ray.huang@amd.com, 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 08:24:26 +0000 Message-Id: <20230622082454.4090236-2-qi.zheng@linux.dev> In-Reply-To: <20230622082454.4090236-1-qi.zheng@linux.dev> References: <20230622082454.4090236-1-qi.zheng@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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