6 fixes, based on aa0c38cf39de73bf7360a3da8f1707601261e518:
Subject: Revert "mm: don't reclaim inodes with many attached pages"
Subject: Revert "mm: slowly shrink slabs with a relatively small number of objects"
Subject: mm/gup: fix gup_pmd_range() for dax
Subject: Revert "mm: use early_pfn_to_nid in page_ext_init"
Subject: Rename include/{uapi => }/asm-generic/shmparam.h really
Subject: mm: proc: smaps_rollup: fix pss_locked calculation
