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On Tue, 2 Aug 2005, Nick Piggin wrote: > > Any chance you can change the __follow_page test to account for > writeable clean ptes? Something like > > if (write && !pte_dirty(pte) && !pte_write(pte)) > goto out; > > And then you would re-add the set_page_dirty logic further on. Hmm.. That should be possible. I wanted to do the simplest possible code sequence, but yeah, I guess there's nothing wrong with allowing the code to dirty the page. Somebody want to send me a proper patch? Also, I haven't actually heard from whoever actually noticed the problem in the first place (Robin?) whether the fix does fix it. It "obviously does", but testing is always good ;) Linus - 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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