On Thu, Jun 4, 2020 at 3:27 AM David Rientjes <rient...@google.com> wrote: > > On Wed, 3 Jun 2020, Vlastimil Babka wrote: > > > > There is no way to set up the defrag options in boot time. And it's > > > useful to set it up by default instead of making it work by a > > > systemd/upstart service or put the command to set up defrag inside > > > /etc/rc.local. > > > > > > Signed-off-by: Gavin Guo <gavin....@canonical.com> > > > > Well, maybe isntead of adding these handlers, we could extend the new boot > > parameter sysctl support (handling procfs /proc/sys/) to sysfs (/sys) as > > well, > > as Eric already suggested? [1] > > > > [1] https://lore.kernel.org/linux-api/87bloj2skm....@x220.int.ebiederm.org/ > > > > Fully agreed, I think the solution needs to be more generic since thp > defrag isn't special here. With the generic support to tune sysctls and > sysfs tunables from the command line it seems like this patch would be > redundant.
Agreed, I'll try to investigate more on how to do that in a generic way.
