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charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Oct 26, 2020 at 11:53 PM Matthew Wilcox 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