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bh=Q9rwx1dFWUqwATIlnYLtiCR44EHP+m8LCNW0GNTMnNU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=peFN8CE6aEiZG6/dBtSiKzUJ2BrkL2gacia9K5KI5fMw/UTMnkPvn+/kc17RhKLXY KxkyGUggQp9UspyzD9jifxBFjKTubR7yzhm5lqGECs4v/zngLk7RbF/PAKc27rnPeJ pccAfdDF4KY1G5+dyW6icThFLaYiCtJP++MhsjHBssqMBBaunH/Ob3Lvq/PWOTKCNG u92tV8+j0Cw5EpzOPIYES7xdpz3mmY6S0dFlWExIv6hk1yvLrdcWcj5qpr1kKZxhZV 7LrOo3i+yW9jYLdf/BZHBq3HEO32zhB6k4BWLjLC6qcjqJy2BUvKET5eSSDGGm5Krd OGFGwCzzb0gnQ== Date: Thu, 2 Mar 2023 20:05:30 -0800 From: Chris Li To: Yosry Ahmed Cc: Rik van Riel , Minchan Kim , Johannes Weiner , Sergey Senozhatsky , lsf-pc@lists.linux-foundation.org, Linux-MM , Michal Hocko , Shakeel Butt , David Rientjes , Hugh Dickins , Seth Jennings , Dan Streetman , Vitaly Wool , Yang Shi , Peter Xu , Andrew Morton Subject: Re: [LSF/MM/BPF TOPIC] Swap Abstraction / Native Zswap Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: 1rc8tickkmyyxyqptiryo3qzusfgdspo X-Rspamd-Queue-Id: 57286C000D X-HE-Tag: 1677816336-199504 X-HE-Meta: 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 htfzKcNx 4vkyp316H0pZCBxr6Fcbbn3QuoegRzZGltt7J880ius7G2vLVmxURfOd/9pCPyr8tOnZNDBFAIjhf3/31OOZdabqrfU+Kr7t+7WMh+c0XhmceEb91jS086SvVVxkWfGdpZJt274pOGXEeg++5HhQwYrBVcDWlzwTwbjS/+kYaIfSolr5tJBMcvsqxl46AAa7v+v8wlZO3cXF4m4teHlwfeoPXY6u4o1SE/IG+6cy4Ftg2rkQiCNmf42YlaQlrPeKIgrj3X4r6mKB8M+iHGJlpI4+G3BL7qIwrVWkuo78AlLyfGMXnVayj6F+x1g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Mar 02, 2023 at 02:55:09PM -0800, Yosry Ahmed wrote: > This, of course, isn't free. There is an associated overhead. It's a > trade off like most things are. We want to work towards the outcome of > that tradeoff that makes sense, we don't want to incur too much > overhead, but we also don't want a very complicated and error-prone > implementation. I agree it is all about trade offs. I can't resist the chance to save memory :-) Chris