)]}'
{
  "commit": "19fd6231279be3c3bdd02ed99f9b0eb195978064",
  "tree": "ee09121054262d73c551b57114acd855b82a7a82",
  "parents": [
    "a60637c85893e7191faaafa6a72e197c24386727"
  ],
  "author": {
    "name": "Nick Piggin",
    "email": "npiggin@suse.de",
    "time": "Fri Jul 25 19:45:32 2008 -0700"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@linux-foundation.org",
    "time": "Sat Jul 26 12:00:06 2008 -0700"
  },
  "message": "mm: spinlock tree_lock\n\nmapping-\u003etree_lock has no read lockers.  convert the lock from an rwlock\nto a spinlock.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Hugh Dickins \u003chugh@veritas.com\u003e\nCc: \"Paul E. McKenney\" \u003cpaulmck@us.ibm.com\u003e\nReviewed-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n",
  "tree_diff": [
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