Re: [External] Re: [PATCH v2 00/19] Free some vmemmap pages of hugetlb page

From: Muchun Song
Date: Mon Oct 26 2020 - 22:55:09 EST


On Mon, Oct 26, 2020 at 11:53 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> On Mon, Oct 26, 2020 at 10:50:55PM +0800, Muchun Song wrote:
> > For tail pages, the value of compound_dtor is the same. So we can reuse
>
> compound_dtor is only set on the first tail page. compound_head is
> what you mean here, I think.
>

Yes, that's right. Sorry for the confusion. Thanks.

--
Yours,
Muchun