On Mon, Jan 31, 2022 at 08:54:39PM +0000, Joao Martins wrote: > > > On 1/31/22 20:29, Matthew Wilcox wrote: > > Unless I am mistaken, you have to pass the compound head of the page > > which has the error to collect_procs(). Am I mistaken? > > > -rc2 already has a fix for it: > > https://lore.kernel.org/linux-mm/20220129021420.PgBIZm-q9%25akpm@xxxxxxxxxxxxxxxxxxxx/ > > Earlier in that function there's a: > > page = compound_head(page); > > So the @page passed to collect_procs() already is a head page. Well, that'll teach me to be two days behind on Linus' tree ;-)
