[PATCH v3 0/9] reduce memory usage by page_owner

[js1304]

From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

Hello,

There was a bug reported by Sasha and minor fixes is needed
so I send v3.

o fix a bg reported by Sasha (mm/compaction: split freepages
without holding the zone lock)
o add code comment for todo list (mm/page_owner: use stackdepot
to store stacktrace) per Michal
o add 'inline' keyword (mm/page_alloc: introduce post allocation
processing on page allocator) per Vlastimil
o add a patch that clean-up code per Vlastimil

Joonsoo Kim (8):
  mm/compaction: split freepages without holding the zone lock
  mm/page_owner: initialize page owner without holding the zone lock
  mm/page_owner: copy last_migrate_reason in copy_page_owner()
  mm/page_owner: introduce split_page_owner and replace manual handling
  tools/vm/page_owner: increase temporary buffer size
  mm/page_owner: use stackdepot to store stacktrace
  mm/page_alloc: introduce post allocation processing on page allocator
  mm/page_isolation: clean up confused code

Sudip Mukherjee (1):
  mm/page_owner: avoid null pointer dereference

 include/linux/mm.h         |   1 -
 include/linux/page_ext.h   |   4 +-
 include/linux/page_owner.h |  12 ++--
 lib/Kconfig.debug          |   1 +
 mm/compaction.c            |  44 ++++++++----
 mm/internal.h              |   2 +
 mm/page_alloc.c            |  60 +++++------------
 mm/page_isolation.c        |  13 ++--
 mm/page_owner.c            | 163 +++++++++++++++++++++++++++++++++++++--------
 tools/vm/page_owner_sort.c |   9 ++-
 10 files changed, 205 insertions(+), 104 deletions(-)

-- 
1.9.1