Re: [Xen-devel] using PageForeign for pte allocation vs. shortcutting __pte_free_tlb()

[Gerd Hoffmann <kraxel@xxxxxxx>]

Jan Beulich wrote:
> In the course of trying to get CONFIG_HIGHPTE to work I stumbled across this
> inconsistency between i386 and x86-64 Linux: i386 uses SetPageForeign() in
> (one the non-highpte) case of pte_alloc_one(), and leaves intact native's
> definition of __pte_free_tlb(), whereas x86-64 doesn't use the former but
> shortcuts the latter to just invoke pte_free(). Obviously it would be nice for
> these two to be consistent,

x86-64 has no HIGHMEM zone, thus CONFIG_HIGHPTE has no effect (I'm
surprised it exists in the first place ...).

cheers,
  Gerd

-- 
Gerd Hoffmann <kraxel@xxxxxxx>

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