Messages in this thread |  | | | Date | Fri, 26 Mar 2004 20:18:41 +0100 | | From | Andrea Arcangeli <> | | Subject | Re: [RFC][PATCH 1/3] radix priority search tree - objrmap complexity fix |
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On Fri, Mar 26, 2004 at 04:26:36AM -0800, William Lee Irwin III wrote: > On Thu, Mar 25, 2004 at 11:59:19PM +0100, Andrea Arcangeli wrote: > > btw, the truncate of hugetlbfs didn't serialize correctly against the > > do_no_page page faults, that's fixed too. > > If a fault on hugetlb ever got as far as do_no_page() on ia32, the > kernel would oops on the bogus struct page it gets out of the bogus > pte. I believe the way faults are handled in out-of-tree patches if by > calling hugetlb-specific fault handling stacks instead of > handle_mm_fault() if hugetlb vmas are found by arch code. >
this is certainly true, but still the pmd fault handling should have the same locking of do_no_page, the race sounds the same, no matter if it's a pmd or pte fill, no? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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