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SubjectRe: [PATCH v2] /dev/mem: use phys_addr_t for physical addresses
On Wed, Sep 12, 2012 at 02:05:58PM -0400, Cyril Chemparathy wrote:
> This patch fixes the /dev/mem driver to use phys_addr_t for physical
> addresses. This is required on PAE systems, especially those that run
> entirely out of >4G physical memory space.

What is the symptom if this patch is not applied? Does it need to be
backported to older kernels? If so, which ones?

thanks,

greg k-h


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