Messages in this thread | | | Date | Wed, 27 Apr 2005 16:55:26 +0100 | From | Christoph Hellwig <> | Subject | Re: returning non-ram via ->nopage, was Re: [patch] mspec driver for 2.6.12-rc2-mm3 |
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On Wed, Apr 27, 2005 at 11:53:15AM -0400, Jeff Garzik wrote: > I don't see anything wrong with a ->nopage approach. > > At Linus's suggestion, I used ->nopage in the implementation of > sound/oss/via82cxxx_audio.c.
The difference is that you return kernel memory (actually pci_alloc_consistant memory that has it's own set of problems), while this is memory not in mem_map, so he allocates some regularly kernel memory too to have a struct page and just leaks it
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