Re: returning non-ram via ->nopage, was Re: [patch] mspec driver for 2.6.12-rc2-mm3

[Christoph Hellwig <hch@infradead.org>]

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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/