On 3/28/23 20:16, Matthew Wilcox wrote: ...
+ if (!get_page_unless_zero(vmf->page)) + return 0;From a folio point of view: what the hell are you doing here? Tail pages don't have individual refcounts; all the refcounts are actually
ohh, and I really should have caught that too. I plead spending too much time recently in a somewhat more driver-centric mindset, and failing to mentally shift gears properly for this case. Sorry for missing that! thanks, -- John Hubbard NVIDIA
