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Mon, 10 Jul 2023 06:16:54 -0700 (PDT) MIME-Version: 1.0 References: <20230707044613.1169103-1-hezhongkun.hzk@bytedance.com> In-Reply-To: From: =?UTF-8?B?6LS65Lit5Z2k?= Date: Mon, 10 Jul 2023 21:16:42 +0800 Message-ID: Subject: Re: [External] Re: [RFC PATCH 0/2] zram: objects charge to mem_cgroup To: Michal Hocko Cc: minchan@kernel.org, senozhatsky@chromium.org, david@redhat.com, yosryahmed@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: qoe6sg4enpxyfdbqoeiowkfqbu9qq9xg X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: F282C160002 X-Rspam-User: X-HE-Tag: 1688995016-432066 X-HE-Meta: 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 EhUF5owu AuXj5D+2H8Vq77d8qxgYlzxwT8Gm9xL5fXCaz2j7DIxdBqYQtdVQNJQTALkwGDIRFf0bNvYiIQTQsCXIQMh8Psmhu2f9y5bmW93fcpj3QIhxPSRyjO61ZYqHBZH5U4xlRpo4wZvPSW5ZfnNWdHLV2lzt4cYcSlxSpH5SeZnlLX8LfNwQ2x8q6N6+IPEi4mrEOkpnh8Cj0rL/qCK0FKPlX5KYYxQ4+nbiM6a+8ErwhMw2ZC/dfaaP5EfZzjJ8aRFykFvUGO0p7Ugc6llw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000578, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > > OK, this is an important detail to mention. Also have tried to get some > numbers of how much excess is happening for a mixed bag of compressible > memory? Yes, I've done the test many times. The numbers of excess depend on the compression ratio only. The maximum amount will not exceed 400KB,and will be smaller than the hard limit finally. > -- > Michal Hocko > SUSE Labs