[PATCH 0/3] Globally defining phys_addr_t

[Jeremy Fitzhardinge]

Hi Ingo,

This is a repost of a little 3-patch series which Andrew has been
carrying in -mm.  It cleans up the definition of phys_addr_t to make it
kernel-wide rather than x86-specific, and fixes up PFN_PHYS() to use it
to avoid address truncation.

We currently have a few workarounds for this problem in the tree, but
Alex found another bug caused by PFN_PHYS(), so it's probably better if
you bring these patches into tip.git for now.

PowerPC also defines a phys_addr_t with the same meaning as x86; the
powerpc arch maintainers are happy with these patches.

The third patch in the series is not necessary to fix any bug, but it
removes the separate definition of resource_size_t to define it in terms
of phys_addr_t.  I include it for competeness.

Thanks,
    J
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