From mboxrd@z Thu Jan 1 00:00:00 1970 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 DFA69C27C40 for ; Thu, 24 Aug 2023 04:39:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238903AbjHXEiv (ORCPT ); Thu, 24 Aug 2023 00:38:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238924AbjHXEil (ORCPT ); Thu, 24 Aug 2023 00:38:41 -0400 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91ABA10E4 for ; Wed, 23 Aug 2023 21:38:39 -0700 (PDT) Received: by mail-pl1-x635.google.com with SMTP id d9443c01a7336-1bf7423ef3eso29522175ad.3 for ; Wed, 23 Aug 2023 21:38:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1692851919; x=1693456719; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=DjmeAFSbeYSQx6eaOnaJcOZMrGEAlfmPS+XdM6xijgo=; b=nF4G3zvj/oRdJns1E23Jmn7/GrxQ9Fafwn2zCgySY2cvwA/rLmLxsUV4Ec2pIQhrzD WInH1gjFuY8wyYGMwl8wQfgZMnbuI7XGZNyVlH5h5qBvmYkCFS2T11wmvKG6t5uLIJa9 EfXJrMif/6WO6N5S+LI98aJro9TK68e8JG0Mw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692851919; x=1693456719; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=DjmeAFSbeYSQx6eaOnaJcOZMrGEAlfmPS+XdM6xijgo=; b=D1uDnLID2T+ghUk3iM6SliolmgkLd2NPvN6zZRu854cCb0T1z8bCriEtZiaJuv4+dd hhIwbVe1p1SjuWoArodHZQqo2jCttXd2NX6qb2iLF5/lWwQ46mrpv80+xqNnPamd+Dfg StHv41io00Au476Cmd743zKi+Vij66utYhH8smKsAq7RWbUxCALZmFIf6r0/XQv/eMEW j63XsYFeczQqHKUQ/WPfsm6MI+YtIg4UocmMKafbtLQNv75XXHMbbicyXgpX4si0q2BJ l5KqxU3rbyZ1lhRyc2ENWzdNi3Bv3RtRa0UvHzFaPszyyUql6WL4d3DeFYAa10LwHyLR lqlA== X-Gm-Message-State: AOJu0Yyw3oBhuqJcynhJQjud5vicX202aWzCTWNT8i0g7/oIzLmHNJLu tQRu1pse3IorHTLlf1/i9P9G7w== X-Google-Smtp-Source: AGHT+IFLfR5iGhFORMLjIVK/dQhQFkboVCHuAZnpxgVO0XlCNNG37enCJL3sXb4VGRzResYRe1oNvg== X-Received: by 2002:a17:903:41cc:b0:1af:aafb:64c8 with SMTP id u12-20020a17090341cc00b001afaafb64c8mr12782247ple.21.1692851919061; Wed, 23 Aug 2023 21:38:39 -0700 (PDT) Received: from google.com ([2401:fa00:8f:203:1ece:b679:4a91:d1e]) by smtp.gmail.com with ESMTPSA id ij30-20020a170902ab5e00b001b881a8251bsm11919322plb.106.2023.08.23.21.38.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Aug 2023 21:38:38 -0700 (PDT) Date: Thu, 24 Aug 2023 13:38:32 +0900 From: Sergey Senozhatsky To: Qi Zheng Cc: 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, steven.price@arm.com, cel@kernel.org, senozhatsky@chromium.org, yujie.liu@intel.com, gregkh@linuxfoundation.org, muchun.song@linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Muchun Song , Minchan Kim Subject: Re: [PATCH v5 37/45] zsmalloc: dynamically allocate the mm-zspool shrinker Message-ID: <20230824043832.GC610023@google.com> References: <20230824034304.37411-1-zhengqi.arch@bytedance.com> <20230824034304.37411-38-zhengqi.arch@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230824034304.37411-38-zhengqi.arch@bytedance.com> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On (23/08/24 11:42), Qi Zheng wrote: > In preparation for implementing lockless slab shrink, use new APIs to > dynamically allocate the mm-zspool shrinker, so that it can be freed > asynchronously via RCU. Then it doesn't need to wait for RCU read-side > critical section when releasing the struct zs_pool. > > Signed-off-by: Qi Zheng > Reviewed-by: Muchun Song > CC: Minchan Kim > CC: Sergey Senozhatsky Reviewed-by: Sergey Senozhatsky