ksm: singly-linked rmap_list
ksm: seperate stable_node
mm: define PAGE_MAPPING_FLAGS
ksm: stable_node point to page and back
ksm: fix mlockfreed to munlocked
ksm: let shared pages be swappable
mm: remove CONFIG_UNEVICTABLE_LRU config option
mm: build fixes for ksm patches (hwpoison, mem cgroups)
mm: compaction: memory compaction core
mm: compaction: add /proc trigger for memory compaction
mm: build fixes for compaction (incomplete)