Messages in this thread | | | Subject | Re: [PATCH][2.4] update ref counts on all allocated pages | From | "David S. Miller" <> | Date | 27 Nov 2002 02:31:31 -0800 |
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On Tue, 2002-11-26 at 16:07, Matt Porter wrote: > The following patch sets the ref count on all pages of an > allocation. This allows an allocation with order>0 to be freed > via individual __free_page() calls within vfree().
If your pci_alloc_consistent implementation is doing something strang, _it_ should be doing the per-page reference counts.
Don't make every caller eat this overhead.
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