On Wed, Mar 12, 2025 at 02:15:12PM +0800, Huan Yang wrote: > When invoke vmap_pfns, it call vmap_pfn_apply to set pfn into pte. > It check pfn is valid, if true then warn and return. > > This is a mischeck, actually we need set a valid pfn into pte, not an > invalid pfn. As just discussed this is wrong. vmap_pfn is for mapping non-page PFNs and the check is what enforces that. What is the point of having that detailed discussion if you just send the broken patch anyway with a commit log not even acknowledging the facts?
