Messages in this thread | | | Date | Tue, 3 May 2022 10:20:03 +0800 | Subject | Re: [PATCH 2/3] mm/damon/sysfs: support fixed virtual address ranges monitoring | From | Rongwei Wang <> |
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On 5/3/22 12:18 AM, SeongJae Park wrote: > Hi Rongwei, > > On Mon, 2 May 2022 15:56:58 +0800 Rongwei Wang <rongwei.wang@linux.alibaba.com> wrote: > >> Hi, SeongJae >> >> I had read and tested your patchset these days. It works. > > Thank you for the tests! :D > >> It seems that these patches only fix the issue about init_regions in >> DAMON-sysfs, but not fix in DAMON-dbgfs? maybe I missing something. >> >> If so, do you have any plan to fix this bug in dbgfs? Actually, what I >> want to say is that I ready a patch for solving the init_regions related >> bug in dbgfs these days. I not sure if you're interested in it. > > The plan is to freeze DAMON debugfs interface after DAMON sysfs interface is > merged, and then entirely remove it after next LTS kernel. It was mentioned in > the sysfs interface patchset as below: > https://lore.kernel.org/linux-mm/20220228081314.5770-1-sj@kernel.org/ > > Future Plan of DAMON_DBGFS Deprecation > ====================================== > > Once this patchset is merged, DAMON_DBGFS development will be frozen. That is, > we will maintain it to work as is now so that no users will be break. But, it > will not be extended to provide any new feature of DAMON. The support will be > continued only until next LTS release. After that, we will drop DAMON_DBGFS. > > The plan was also shared in the kernel doc as below[1], but maybe it was too > small to read, or ambiguous. Sorry if it was the case. > > debugfs interface. This is almost identical to sysfs interface. This will > be _removed_ after next LTS kernel is released, so users should move to the > sysfs interface. Hi, SeongJae
Thanks, for telling me the doc! It seems that I have to update my datop. New sysfs interface has changed too much.
Anyway, Thanks! :)
> > [1] https://docs.kernel.org/admin-guide/mm/damon/usage.html#debugfs-interface > > So, I don't have a big interest at extending DAMON debugfs for fvaddr. That > said, of course we could discuss more if you really need it. If so, please let > me know. > > > Thanks, > SJ > >> >> Best Regards, >> Rongwei >>
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