Messages in this thread | | | Date | Mon, 03 Mar 2003 15:24:45 -0600 | From | Dave McCracken <> | Subject | Re: [PATCH 2.5.63] Teach page_mapped about the anon flag |
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--On Monday, March 03, 2003 13:12:10 -0800 Andrew Morton <akpm@digeo.com> wrote:
> It is. All callers which need to be 100% accurate are under > pte_chain_lock().
Hmm, good point. Some places may not need perfect accuracy. Also, if it gives a false positive it means someone else is doing an atomic op on it, so it's likely to be in transition to/from true anyway.
Ok, you've convinced me. Please ignore the patch. I'll hang onto it in case we get proved wrong at some point.
Dave
====================================================================== Dave McCracken IBM Linux Base Kernel Team 1-512-838-3059 dmccr@us.ibm.com T/L 678-3059
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