From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 BD878154425 for ; Sat, 6 Jun 2026 01:19:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780708773; cv=none; b=omHBVKQee7wkJfkxah8+bQ+GDBF1N/dkKzFrbJk/YymQXqofJlJI+ePmVvgOIQlRP5UH0d9ne56i7gVMkPf3sAohEtvx0wR7c2a0A771nAO2VmwWDzjZnikvHpIlmBbD7w75f5Bt58DAiFHvJnW4XUTWBReE7Pk1bWd1jEK+1cI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780708773; c=relaxed/simple; bh=mco/75UUBM6zmIGA1Rl4LIteBa20z4KinfNgtvnARK8=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=SSVaJzuzxJTaXiM6G1JyaAFUuaKO9DqI++72otL4fR2KcfaqtPthr+bqeJ9ihT2w314JXvJh+lgr3+AfpOsTuyZ7TGcUoNfbHgbENTaAHtAeMA8+03UwB3K8XfwYqhjVvp39YKIcXVEIgzMpzIg3Hi4/sgoLr5SDGYSu1yLLcN8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=eoDM6U1K; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="eoDM6U1K" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 099D41F00893; Sat, 6 Jun 2026 01:19:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1780708772; bh=UdZ+QI2WaNBX57biGXTDOGYvKJ+VsGHA0D7Nm4STxP8=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=eoDM6U1KyPDBFqOmV2Pr+FAM4q2g2Yq/BLosXtZgfMLWNguvJGTsta4v7w8NKKwZB XlC5uKCPXXx+HffHpFEvPWuGS+yZ2UOSxo5xoq4/EzjIW9WAIpNc2e0i7vMF9C9qjT YTb5uRXbg3pJnoxOCK0t4Q8ESKLevuSWn6wFQy4w= Date: Fri, 5 Jun 2026 18:19:31 -0700 From: Andrew Morton To: Wenchao Hao Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Minchan Kim , Sergey Senozhatsky , Nhat Pham , Joshua Hahn , Barry Song , Wenchao Hao Subject: Re: [PATCH v3 0/4] mm/zsmalloc: reduce lock contention in zs_free() Message-Id: <20260605181931.d6fed8b62c8d91b27d151e71@linux-foundation.org> In-Reply-To: <20260605084242.1549811-1-haowenchao22@gmail.com> References: <20260605084242.1549811-1-haowenchao22@gmail.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 5 Jun 2026 16:42:38 +0800 Wenchao Hao wrote: > This series reduces lock contention in zs_free(), which dominates the > unmap path under memory pressure on Android (LMK kills) and on x86 > servers running zswap-heavy workloads. Thanks. It's late in the cycle so I'd prefer to merge this after 7.2-rc1, please. AI review said a few things: https://sashiko.dev/#/patchset/20260605084242.1549811-1-haowenchao22@gmail.com