On Sat, 23 Mar 2024 11:16:43 -0400 peterx@xxxxxxxxxx wrote: > From: Peter Xu <peterx@xxxxxxxxxx> > > The comment in the code explains the reasons. We took a different approach > comparing to pmd_pfn() by providing a fallback function. > > Another option is to provide some lower level config options (compare to > HUGETLB_PAGE or THP) to identify which layer an arch can support for such > huge mappings. However that can be an overkill. > > ... > > If we care about per-commit build errors (and if it is ever feasible to > reorder), we can move this patch to be before the patch "mm/gup: handle > huge pud for follow_pud_mask()" in mm-unstable to unbreak build on that > commit. I temporarily disabled that whole series a few days ago. Because of multiple build issues, iirc. Let's make that permanent. Please redo the whole series against mm-unstable and resend?
