From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 242F81C32 for ; Tue, 6 Aug 2024 19:32:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722972735; cv=none; b=qL9QBRDPwp27fqrJF/8PMVnYcVXRgXo/pZDWHsCVyRFUSyhnLO2gxwR35i8zS/J4OW1opXoLGxFqUcg1j6SOJ4lPdZaRfq/TQKODCjElMkpUHE+wtK9OA9jtUBixd97tog6s4Nkw3ysRiD+GBwDcW/EakqqC4dwLtxZIvOap3YA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722972735; c=relaxed/simple; bh=iDJ0kMO8qxRUISw+966I+wYuPEfne9SVL08eirb/gjU=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=Mz5LCbSTIYYtUJdSTX2/Jy56ytAx/gImBZksW6QJWKyHKVl1gFuoUgBAyXqZUKrp0NypydyA+JpfTW6pogBmadiY3NF6coODMddGlYU7VLUu9a7tL5hwI24yYMbRxd6EakDcANPg8kmAfmu21vgH+T2cJT/gGc29DSPterppgak= 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=sV9CG21T; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="sV9CG21T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 538B0C32786; Tue, 6 Aug 2024 19:32:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1722972734; bh=iDJ0kMO8qxRUISw+966I+wYuPEfne9SVL08eirb/gjU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=sV9CG21TxpfrA2WYV2qr+2qfYRoB3TNlX0SbxGRiUkMHj3bnwOPup9Eqmuso4689f Trxdsk5ZSKmBnLgnc0znnNOHl9IXHH0osAWaf7iK3ulwyMYJRPqzsyJMuTiptNOGIC r5+HdbQavinCRPe3vkvX4aammllr+rXNU5mGKrDU= Date: Tue, 6 Aug 2024 12:32:13 -0700 From: Andrew Morton To: alexs@kernel.org Cc: Vitaly Wool , Miaohe Lin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, minchan@kernel.org, willy@infradead.org, senozhatsky@chromium.org, david@redhat.com, 42.hyeyoo@gmail.com, Yosry Ahmed , nphamcs@gmail.com Subject: Re: [PATCH v5 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool Message-Id: <20240806123213.2a747a8321bdf452b3307fa9@linux-foundation.org> In-Reply-To: <20240806022311.3924442-1-alexs@kernel.org> References: <20240806022143.3924396-1-alexs@kernel.org> <20240806022311.3924442-1-alexs@kernel.org> 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 Tue, 6 Aug 2024 10:22:47 +0800 alexs@kernel.org wrote: > According to Metthew's plan, the page descriptor will be replace by a 8 > bytes mem_desc on destination purpose. > https://lore.kernel.org/lkml/YvV1KTyzZ+Jrtj9x@casper.infradead.org/ > > Here is a implement on zsmalloc to replace page descriptor by 'zpdesc', > which is still overlay on struct page now. but it's a step move forward > above destination. So the sole reason for this work is as a part of the mem_desc conversion. I'd like to hear from others who are to be involved in that conversion, please - it this patchset something we should be merging?