Messages in this thread |  | | Date | Tue, 21 Oct 2014 12:41:30 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 5/6] mm: Provide speculative fault infrastructure |
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On Tue, Oct 21, 2014 at 11:35:48AM +0300, Kirill A. Shutemov wrote: > pud_huge() too. Or filter out VM_HUGETLB altogether.
Oh right, giga pages, all this new fangled stuff ;-) But yes, I suppose we can exclude hugetlbfs, we should arguably make the thp muck work though.
> BTW, what keeps mm_struct around? It seems we don't take reference during > page fault.
Last I checked tasks have a ref on their own mm, and seeing this all runs in task context, the mm should be pretty safe.
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