ksm: fix oom deadlock
ksm: fix deadlock with munlock in exit_mmap
ksm: sysfs and defaults
ksm: clean up obsolete references
ksm: unmerge is an origin of OOMs
ksm: change default calues to better fit into mainline kernel
ksm: cond_resched in unstable tree
ksm: three remove_rmap_item_from_tree cleanups
ksm: remove redundancies when merging page
ksm: cleanup some function arguments