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[dm-devel] [PATCH 00/16] generic hashtable implementation



There are quite a few places in the kernel which implement a hashtable
in a very similar way. Instead of having implementations of a hashtable
all over the kernel, we can re-use the code.

New changes since the RFC:

 - Addressed last comments about previous patches.
 - RCU support.
 - Simplified the case where the hashtable is allocated statically, which is
 the common case.
 - A lot more places converted to use the new hashtable.


Sasha Levin (16):
  hashtable: introduce a small and naive hashtable
  user_ns: use new hashtable implementation
  mm,ksm: use new hashtable implementation
  workqueue: use new hashtable implementation
  mm/huge_memory: use new hashtable implementation
  tracepoint: use new hashtable implementation
  net,9p: use new hashtable implementation
  block,elevator: use new hashtable implementation
  SUNRPC/cache: use new hashtable implementation
  dlm: use new hashtable implementation
  net,l2tp: use new hashtable implementation
  dm: use new hashtable implementation
  lockd: use new hashtable implementation
  net,rds: use new hashtable implementation
  openvswitch: use new hashtable implementation
  tracing output: use new hashtable implementation

 block/blk.h                                        |    2 +-
 block/elevator.c                                   |   23 +--
 drivers/md/dm-snap.c                               |   24 +--
 drivers/md/persistent-data/dm-block-manager.c      |    1 -
 .../persistent-data/dm-persistent-data-internal.h  |   19 --
 .../md/persistent-data/dm-transaction-manager.c    |   30 +--
 fs/dlm/lowcomms.c                                  |   47 +---
 fs/lockd/svcsubs.c                                 |   58 ++--
 include/linux/elevator.h                           |    5 +-
 include/linux/hashtable.h                          |  284 ++++++++++++++++++++
 kernel/trace/trace_output.c                        |   20 +-
 kernel/tracepoint.c                                |   27 +--
 kernel/user.c                                      |   33 +--
 kernel/workqueue.c                                 |   86 +-----
 mm/huge_memory.c                                   |   57 +---
 mm/ksm.c                                           |   33 +--
 net/9p/error.c                                     |   21 +-
 net/l2tp/l2tp_core.c                               |  132 ++++------
 net/l2tp/l2tp_core.h                               |    8 +-
 net/l2tp/l2tp_debugfs.c                            |   19 +-
 net/openvswitch/vport.c                            |   30 +--
 net/rds/bind.c                                     |   20 +-
 net/rds/connection.c                               |  102 +++----
 net/sunrpc/cache.c                                 |   20 +-
 24 files changed, 573 insertions(+), 528 deletions(-)
 delete mode 100644 drivers/md/persistent-data/dm-persistent-data-internal.h
 create mode 100644 include/linux/hashtable.h

-- 
1.7.8.6


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