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b=BtLEgncf3+Nx2+/q5LePpZKjn73XUJB/FjnjW8HOPme7rRrIUzbkPoZ9yLit4Xdd6 1th/Izvrun+V9r9cyFF2FlcbICtJKaG7RzQ4ySXdiKJ0f+BrpN9c0DmY0cFNsethnt cdyTZ4OMaCzePVC69gtUtKBPD12NlwU2AB/Xoy51tq8Il91BP9lhqFAok/9W2zvVWJ NZ4g22e8RDxsHWMXBgWXmPN6PT9kHcGH9sNxc443NtmfgHkcK5kK/BwM3lywrlVfzC dR1hJ6hqKugOAnPoiTvkuXKy6Xx2ZYi4tCp7OGoNfX+KysZvHF1SvCGQlKhMyvcFdd M1GxuWkiW9oxw== Date: Mon, 27 Oct 2025 06:06:49 -1000 From: Tejun Heo To: jinji zhong Cc: minchan@kernel.org, senozhatsky@chromium.org, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, christoph.boehmwalder@linbit.com, corbet@lwn.net, hannes@cmpxchg.org, mkoutny@suse.com, axboe@kernel.dk, mhocko@kernel.org, roman.gushchin@linux.dev, shakeel.butt@linux.dev, akpm@linux-foundation.org, terrelln@fb.com, dsterba@suse.com, muchun.song@linux.dev, linux-kernel@vger.kernel.org, drbd-dev@lists.linbit.com, linux-doc@vger.kernel.org, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-mm@kvack.org, zhongjinji@honor.com, liulu.liu@honor.com, feng.han@honor.com Subject: Re: [RFC PATCH 0/3] Introduce per-cgroup compression priority Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 8923640015 X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: dr737bbfztrxhbmm7ifrqrz7cxa7e4e6 X-HE-Tag: 1761581211-500420 X-HE-Meta: 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 tRWYLtZf 5QxjmRouoNbbJPgFS8ga9Jvt33c025PQ2Klk0PYIMsh8sqjwZ5WbsJgwTb1OW4Hnlt8BZcqQUueVSH4zd+2fI+i5P/8fC+MbVmTZDhdtzzs/ssze16/eHarj0qxSQT4YwEPYEIu1CCQ4pEe+Ffzi7oN1oJSI3DKgdjVTeRsEWm5bgj96yW8o9Qf12KMJWZb9dEwUUkawWyijH7ImZCDE1tHGcyP8H5xkZ3SmNhIm7R9Xximq9bjmmRT3ZWSxQs4VssMg4CY4Z5MOT927NWY9WAZ3musGk+Sv3tI1d 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: List-Subscribe: List-Unsubscribe: Hello, On Sun, Oct 26, 2025 at 01:05:07AM +0000, jinji zhong wrote: > This patch introduces a per-cgroup compression priority mechanism, > where different compression priorities map to different algorithms. > This allows administrators to select appropriate compression > algorithms on a per-cgroup basis. I don't think it makes sense to tie this to cgroups. Is there something preventing this from following the process hierarchy? Thanks. -- tejun