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Date: Thu, 22 Oct 2015 23:36:05 +0900 From: Tejun Heo <tj@...nel.org> To: Vivek Goyal <vgoyal@...hat.com> Cc: Johannes Weiner <hannes@...xchg.org>, Li Zefan <lizefan@...wei.com>, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>, Michal Hocko <mhocko@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Paul Turner <pjt@...gle.com>, kernel-team@...com Subject: Re: [PATCH cgroup/for-4.4 3/3] cgroup: replace unified-hierarchy.txt with a proper cgroup v2 documentation On Thu, Oct 22, 2015 at 10:34:27AM -0400, Vivek Goyal wrote: > On Thu, Oct 22, 2015 at 10:23:54AM +0900, Tejun Heo wrote: > > [..] > > +5-3-2. Writeback > > + > > +Writeback of page cache manages the dirty memory ratio and is an > > +integral part of memory management. The io controller, in conjunction > > +with the memory controller, implements control of page cache writeback > > +IOs. The memory controller defines the memory domain that dirty > > +memory ratio is calculated and maintained for and the io controller > > +defines the io domain which writes out dirty pages for the memory > > +domain. > > Hi Tejun, > > Glad that finally devel flag will go away and new shiny unified hierarchy > can be used using cgroup2 fstype. Thanks for all this hard work. > > Will it make sense to also talk about what filesystems currently writeback > cgroup work with. IIUC, currently this works with ext2 and there are plans to > make it work with other filesystems. It works with ext2 and 4 and btrfs. Will document it. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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