Messages in this thread | | | Date | Mon, 6 Feb 2006 00:19:39 -0800 | From | William Lee Irwin III <> | Subject | Re: Hugepages need clear_user_highpage() not clear_highpage() |
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On Mon, Feb 06, 2006 at 01:18:53PM +1100, David Gibson wrote: > When hugepages are newly allocated to a file in mm/hugetlb.c, we clear > them with a call to clear_highpage() on each of the subpages. We > should be using clear_user_highpage(): on powerpc, at least, > clear_highpage() doesn't correctly mark the page as icache dirty so if > the page is executed shortly after it's possible to get strange > results. > This is a bugfix and should go into 2.6.16. > Signed-off-by: David Gibson <dwg@au1.ibm.com>
Not sure how this got past the usual crapfilters. Sorry about that.
Acked-by: William Irwin <wli@holomorphy.com>
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