Re: hmm pud-entry callback locking?

On Sat, Oct 05, 2019 at 02:29:40PM +0200, Thomas Hellström (VMware) wrote: > Hi, Jerome, > > I was asked by Kirill to try to unify the pagewalk pud_entry and pmd_entry > callbacks. The only user of the pagewalk pud-entry is currently hmm. > > But the pagewalk code call pud_entry only for huge pud

hmm pud-entry callback locking?

Hi, Jerome, I was asked by Kirill to try to unify the pagewalk pud_entry and pmd_entry callbacks. The only user of the pagewalk pud-entry is currently hmm. But the pagewalk code call pud_entry only for huge puds with the page-table lock held, whereas the hmm callback appears to assume it get