Messages in this thread | | | Subject | Re: [PATCH][2.4] update ref counts on all allocated pages | From | "David S. Miller" <> | Date | 27 Nov 2002 19:33:17 -0800 |
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On Wed, 2002-11-27 at 07:25, Matt Porter wrote: > To clarify then, on an order>0 allocation, it is only valid/defined > to free the same order of pages. Is that a true statement? If so, > I'll submit a docs patch and adjust our our local implementation.
Yes, this is correct and it's what everyone does. The exceptions mess with the page counts themselves, look at the sparc64 pmd/pte dual-page allocations for example.
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