On Wed, 06 Mar 2019 14:47:33 +0530 "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx> wrote: > Dan Williams <dan.j.williams@xxxxxxxxx> writes: > > > On Thu, Feb 28, 2019 at 1:40 AM Oliver <oohall@xxxxxxxxx> wrote: > >> > >> On Thu, Feb 28, 2019 at 7:35 PM Aneesh Kumar K.V > >> <aneesh.kumar@xxxxxxxxxxxxx> wrote: > Also even if the user decided to not use THP, by > echo "never" > transparent_hugepage/enabled , we should continue to map > dax fault using huge page on platforms that can support huge pages. Is this a good idea? This knob is there for a reason. In some situations having huge pages can severely impact performance of the system (due to host-guest interaction or whatever) and the ability to really turn off all THP would be important in those cases, right? Thanks Michal