Messages in this thread | | | From | "Aneesh Kumar K.V" <> | Subject | Re: [PATCH 6/6] powerpc/8xx: implementation of huge pages | Date | Sun, 14 Aug 2016 19:55:30 +0530 |
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Christophe Leroy <christophe.leroy@c-s.fr> writes:
> The 8xx has 512k and 8M pages. This patch implements hugepages using > those sizes. > > On the 8xx, the size of pages is in the PGD entry, > using PS field (bits 28-29): > 00 : Small pages (4k or 16k) > 01 : 512k pages > 10 : reserved > 11 : 8M pages > > The implementation uses a mix of what is used on BOOKS and BOOKE, > as 512k pages are in HUGEPTE tables while for 8M pages we have > several PGD entries pointing on a leaf HUGEPTE entry > > For the time being, we do not support CPU15 ERRATA if HUGETLB is > selected
Can you also document here the format for linux page table with different huge page size. ?
> > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
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