LGTM for whole series Reviewed-by: Timofey Titovets <nefelim4ag@xxxxxxxxx> вт, 14 мая 2019 г. в 16:17, Oleksandr Natalenko <oleksandr@xxxxxxxxxx>: > > Document respective sysfs knob. > > Signed-off-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxx> > --- > Documentation/admin-guide/mm/ksm.rst | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/admin-guide/mm/ksm.rst b/Documentation/admin-guide/mm/ksm.rst > index 9303786632d1..4302b92910ec 100644 > --- a/Documentation/admin-guide/mm/ksm.rst > +++ b/Documentation/admin-guide/mm/ksm.rst > @@ -78,6 +78,17 @@ KSM daemon sysfs interface > The KSM daemon is controlled by sysfs files in ``/sys/kernel/mm/ksm/``, > readable by all but writable only by root: > > +force_madvise > + write-only control to force merging/unmerging for specific > + task. > + > + To mark the VMAs as mergeable, use: > + ``echo PID > /sys/kernel/mm/ksm/force_madvise`` > + > + To unmerge all the VMAs, use: > + ``echo -PID > /sys/kernel/mm/ksm/force_madvise`` > + (note the prepending "minus") > + In patch 3/4 you have special case with PID 0, may be that also must be documented here? > pages_to_scan > how many pages to scan before ksmd goes to sleep > e.g. ``echo 100 > /sys/kernel/mm/ksm/pages_to_scan``. > -- > 2.21.0 > -- Have a nice day, Timofey.
