)]}'
{
  "commit": "e00e431612c3a6e437a01f2129fd3843da0c982a",
  "tree": "4f838123d0b295ab3608380ce803c8960a8ebfd0",
  "parents": [
    "b9f9d4706cb1b706f89f98ea6ead41ebecdefbc2"
  ],
  "author": {
    "name": "KAMEZAWA Hiroyuki",
    "email": "kamezawa.hiroyu@jp.fujitsu.com",
    "time": "Wed Nov 11 14:26:26 2009 -0800"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@linux-foundation.org",
    "time": "Thu Nov 12 07:25:56 2009 -0800"
  },
  "message": "memcg: fix wrong pointer initialization at page migration when memcg is disabled.\n\nLee Schermerhorn reported that he saw bad pointer dereference in\nmem_cgroup_end_migration() when he disabled memcg by boot option.\n\nmemcg\u0027s page migration logic works as\n\n\tmem_cgroup_prepare_migration(page, \u0026ptr);\n\tdo page migration\n\tmem_cgroup_end_migration(page, ptr);\n\nNow, ptr is not initialized in prepare_migration when memcg is disabled\nby boot option. This causes panic in end_migration. This patch fixes it.\n\nReported-by: Lee Schermerhorn \u003cLee.Schermerhorn@hp.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nSigned-off-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nReviewed-by: Daisuke Nishimura \u003cnishimura@mxp.nes.nec.co.jp\u003e\nCc: \u003cstable@kernel.org\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": "1a4bf4813780eb700ee026030bca18fedc2fbae6",
      "old_mode": 33188,
      "old_path": "mm/migrate.c",
      "new_id": "7dbcb22316d2b2e482de278a8023c6429fe7bfaf",
      "new_mode": 33188,
      "new_path": "mm/migrate.c"
    }
  ]
}