)]}'
{
  "commit": "55a63998b8967615a15e2211ba0ff3a84a565824",
  "tree": "a83905577b60496a3ea9174bf29596f927354746",
  "parents": [
    "53d6660836f233df66490707365ab177e5fb2bb4"
  ],
  "author": {
    "name": "Wolfram Strepp",
    "email": "wstrepp@gmx.de",
    "time": "Tue Mar 31 15:23:45 2009 -0700"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@linux-foundation.org",
    "time": "Wed Apr 01 08:59:17 2009 -0700"
  },
  "message": "lib/rbtree.c: optimize rb_erase()\n\nTfour 4 redundant if-conditions in function __rb_erase_color() in\nlib/rbtree.c are removed.\n\nIn pseudo-source-code, the structure of the code is as follows:\n\nif ((!A || B) \u0026\u0026 (!C || D)) {\n\t.\n\t.\n\t.\n} else {\n\tif (!C || D) {//if this is true, it implies: (A \u003d\u003d true) \u0026\u0026 (B \u003d\u003d false)\n\t\tif (A) {//hence this always evaluates to \u0027true\u0027...\n\t\t\t.\n\t\t}\n\t\t.\n\t\t//at this point, C always becomes true, because of:\n\t\t__rb_rotate_right/left();\n\t\t//and:\n\t\tother \u003d parent-\u003erb_right/left;\n\t}\n\t.\n\t.\n\tif (C) {//...and this too !\n\t\t.\n\t}\n}\n\nSigned-off-by: Wolfram Strepp \u003cwstrepp@gmx.de\u003e\nAcked-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nCc: Andrea Arcangeli \u003candrea@qumranet.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": "9956b99649f02af0667666e098449f9df38d26b4",
      "old_mode": 33188,
      "old_path": "lib/rbtree.c",
      "new_id": "f653659e0bc1fb161525332d775c973e2fb0ba98",
      "new_mode": 33188,
      "new_path": "lib/rbtree.c"
    }
  ]
}