On 9/27/26 04:54, Muchun Song wrote: > The device DAX vmemmap population still reserves one extra tail vmemmap > page after the head page. > > Drop that extra reservation and let the shared tail page cover all tail > vmemmap pages after the head page, so DAX follows the same reservation > model as HugeTLB. > > This reduces the reserved vmemmap pages for optimized DAX mappings to > one and removes the now-unneeded first-tail population from the generic > and powerpc paths to simplify the code as well. > > Signed-off-by: Muchun Song <[email protected]> > Acked-by: Qi Zheng <[email protected]> > ---
Acked-by: David Hildenbrand (Arm) <[email protected]> -- Cheers, David
