Messages in this thread | | | Date | Mon, 19 Dec 2011 15:48:08 -0500 | From | KOSAKI Motohiro <> | Subject | Re: [RFC][PATCH 2/3] pagemap: export KPF_THP |
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>> The detail of transparent hugepage are hidden by design. We hope it >> keep 'transparent'. >> Until any explain why we should expose KPF_THP, we don't agree it. > > The reason why I want to know physical address of thp is testing. > I'm working on memory error recovery and writing test code to confirm > that memory recovery really works when an error occurs on thps. > There I need to locate thps on the physical memory.
I'm sorry, I simply don't understand what you say. Why do you think memory recovery and thp are related feature?
> > IMO, transparency in thp means that we need no manual setup to use > it (as a contrast with hugetlbfs,) so it seems to me that exporting > pageflag of thp does not break the design of thp. > > Anyway, I should have written the purpose in the patch description. > Thanks for the comment. > > Naoya
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