Re: [RFC][PATCH 2/3] pagemap: export KPF_THP

[KOSAKI Motohiro]

(12/19/11 1:38 PM), Naoya Horiguchi wrote:
> This flag shows that a given pages is a subpage of transparent hugepage.
> It does not care about whether it is a head page or a tail page, because
> it's clear from pfn of the target page which you should know when you read
> /proc/kpageflags.
> 
> Signed-off-by: Naoya Horiguchi<n-horiguchi@xxxxxxxxxxxxx>

NAK.

The detail of transparent hugepage are hidden by design. We hope it
keep 'transparent'.
Until any explain why we should expose KPF_THP, we don't agree it.

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