On top of
mm-tail-page-refcounting-optimization-for-slab-and-hugetlbfs.patch
should not be applied without the ack from Andrea.
On 12/13, Andrea Arcangeli wrote:
>
> The above diff looks a straightforward cleanup you could submit it as
> a separate patch in a v2 series.
OK, let me send this separately, because (afaics) put_compound_tail()
needs more thinking.
See also 2/2. Again, I won't argue if you dislike this change even if
it is correct, so please review and ack/nack. To me compound_head() in
get_huge_page_tail() looks confusing, as if get_huge_page_tail() can
accept a !PageTail page. But perhaps this is only because I am new to
this code.
Oleg.
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