On Wed, Mar 20, 2024 at 06:16:43AM +0000, Christophe Leroy wrote:

At the first place that was to get a close fit between hardware 
pagetable topology and linux pagetable topology. But obviously we 
already stepped back for 512k pages, so let's go one more step aside and 
do similar with 8M pages.

I'll give it a try and see how it goes.

So you're talking about 8M only for 8xx, am I right?

There seem to be other PowerPC systems use hugepd.  Is it possible that we
convert all hugepd into cont_pte form?

Thanks,

-- 
Peter Xu