Benjamin Herrenschmidt <b...@kernel.crashing.org> writes: > On Tue, 2014-07-15 at 20:22 +0530, Aneesh Kumar K.V wrote: >> If we changed base page size of the segment, either via sub_page_protect >> or via remap_4k_pfn, we do a demote_segment which doesn't flush the hash >> table entries. We do that when inserting a new hash pte by checking the >> _PAGE_COMBO flag. We missed to do that when inserting hash for a new 16MB >> page. Add the same. This patch mark the 4k base page size 16MB hugepage >> via _PAGE_COMBO. > > please improve the above, I don't understand it.
I have reworked this patch and will send an updated version. We also need to handle _PAGE_COMBO condition on hugepage_flush. I will add more comments in the next update. -aneesh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
