Jes Sorensen wrote:
Nick Piggin wrote:No problem, I think you should just stop using the VM_PFNMAP flag then. [Linus should jump in here if I'm wrong ;)]I'd have to go back and find the discussion to verify, but if I remember correctly the conclusion was that I needed to use it in order to make sure that vm_normal_page() didn't start thinking it was in fact a real page, ie. VM_PFNMAP + never a COW mapping..
Oh of course: the primary purpose for VM_PFNMAP is to signal a pfn mapping, strangely enough. The COW facility is additional to that. Sorry. -- SUSE Labs, Novell Inc.Send instant messages to your online friends http://au.messenger.yahoo.com -
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