7/9
mm/mglru: skip PUD subtrees during aging
The aging walk into present PUD and iterates all its 512 PMDs, testing the PMD-level Bloom filter on each. Add a coarser PUD-level filter (pud_filters) one level up: - walk_pmd_range() now reports wh
The aging walk into present PUD and iterates all its 512 PMDs, testing the PMD-level Bloom filter on each. Add a coarser PUD-level filter (pud_filters) one level up: - walk_pmd_range() now reports wh