)]}'
{
  "commit": "f51bdd2e97098a5cbb3cba7c3a56fa0e9ac3c444",
  "tree": "90419a74be50f313f7fefe99aa7776f8ba832233",
  "parents": [
    "7e8aa048989bf7e0604996a3e2068fb1a81f81bd"
  ],
  "author": {
    "name": "Shaohua Li",
    "email": "shaohua.li@intel.com",
    "time": "Thu Aug 25 15:59:10 2011 -0700"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@linux-foundation.org",
    "time": "Thu Aug 25 16:25:34 2011 -0700"
  },
  "message": "mm: fix a vmscan warning\n\nI get the below warning:\n\n  BUG: using smp_processor_id() in preemptible [00000000] code: bash/746\n  caller is native_sched_clock+0x37/0x6e\n  Pid: 746, comm: bash Tainted: G        W   3.0.0+ #254\n  Call Trace:\n   [\u003cffffffff813435c6\u003e] debug_smp_processor_id+0xc2/0xdc\n   [\u003cffffffff8104158d\u003e] native_sched_clock+0x37/0x6e\n   [\u003cffffffff81116219\u003e] try_to_free_mem_cgroup_pages+0x7d/0x270\n   [\u003cffffffff8114f1f8\u003e] mem_cgroup_force_empty+0x24b/0x27a\n   [\u003cffffffff8114ff21\u003e] ? sys_close+0x38/0x138\n   [\u003cffffffff8114ff21\u003e] ? sys_close+0x38/0x138\n   [\u003cffffffff8114f257\u003e] mem_cgroup_force_empty_write+0x17/0x19\n   [\u003cffffffff810c72fb\u003e] cgroup_file_write+0xa8/0xba\n   [\u003cffffffff811522d2\u003e] vfs_write+0xb3/0x138\n   [\u003cffffffff8115241a\u003e] sys_write+0x4a/0x71\n   [\u003cffffffff8114ffd9\u003e] ? sys_close+0xf0/0x138\n   [\u003cffffffff8176deab\u003e] system_call_fastpath+0x16/0x1b\n\nsched_clock() can\u0027t be used with preempt enabled.  And we don\u0027t need\nfast approach to get clock here, so let\u0027s use ktime API.\n\nSigned-off-by: Shaohua Li \u003cshaohua.li@intel.com\u003e\nAcked-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nTested-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "7ef69124fa3e5f4ef28baaed58a7e997d40155ab",
      "old_mode": 33188,
      "old_path": "mm/vmscan.c",
      "new_id": "22631e0994b30ed2335b20ef1b253a29104238ee",
      "new_mode": 33188,
      "new_path": "mm/vmscan.c"
    }
  ]
}