Re: [PATCH v3 01/13] mm/pagewalk: remove pgd_entry() and pud_entry()

Kirill A. Shutemov
2014-06-30T10:23:24Z

On Fri, Jun 20, 2014 at 04:11:27PM -0400, Naoya Horiguchi wrote:
> Currently no user of page table walker sets ->pgd_entry() or ->pud_entry(),
> so checking their existence in each loop is just wasting CPU cycle.
> So let's remove it to reduce overhead.
>
> Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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Kirill A. Shutemov