On Mon, 25 Jun 2007, Hugh Dickins wrote:

quoted text
> Please reread mails of the last 20 hours.  Your "ARM fix" may or may not
> be a good thing, I don't know.  But it had nothing to do with this oops,
> which (we believe) came from a kmalloc in drivers/mmc/core/sd.c.  There
> are likely to be many other drivers which pass down kmalloc'ed buffers
> to routines which handle both kmalloc'ed buffers and page buffers.
> Though very few of those needing to flush_dcache_page.

If that is so then those functions may want to check PageSlab before 
calling flush_dcache_page.

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