)]}'
{
  "commit": "9a4f8a878b68d5a5d9ee60908a52cf6a55e1b823",
  "tree": "be7075427a064709bf1a3d3184c7cc3dc147d6e8",
  "parents": [
    "cafe8816b217b98dc3f268d3b77445da498beb4f"
  ],
  "author": {
    "name": "Tejun Heo",
    "email": "tj@kernel.org",
    "time": "Fri Mar 06 14:33:59 2009 +0900"
  },
  "committer": {
    "name": "Tejun Heo",
    "email": "tj@kernel.org",
    "time": "Fri Mar 06 14:33:59 2009 +0900"
  },
  "message": "x86: make embedding percpu allocator return excessive free space\n\nImpact: reduce unnecessary memory usage on certain configurations\n\nEmbedding percpu allocator allocates unit_size *\nsmp_num_possible_cpus() bytes consecutively and use it for the first\nchunk.  However, if the static area is small, this can result in\nexcessive prellocated free space in the first chunk due to\nPCPU_MIN_UNIT_SIZE restriction.\n\nThis patch makes embedding percpu allocator preallocate only what\u0027s\nnecessary as described by PERPCU_DYNAMIC_RESERVE and return the\nleftover to the bootmem allocator.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "ef3a2cd3fe64dc6bfa732d88581e1d84995a584f",
      "old_mode": 33188,
      "old_path": "arch/x86/kernel/setup_percpu.c",
      "new_id": "38e2b2a470a537f937615025f4fffd19eb6f041f",
      "new_mode": 33188,
      "new_path": "arch/x86/kernel/setup_percpu.c"
    }
  ]
}