)]}'
{
  "commit": "fda9d86100e0b412d0c8a16abe0651c8c8e39e81",
  "tree": "dccc2fce96c47f35e8f18c282a842fa8113a2e2d",
  "parents": [
    "8c007bfdf1bab536f824d91fccc76596c18aba78"
  ],
  "author": {
    "name": "Anton Blanchard",
    "email": "anton@samba.org",
    "time": "Sun Jan 31 20:32:51 2010 +0000"
  },
  "committer": {
    "name": "Benjamin Herrenschmidt",
    "email": "benh@kernel.crashing.org",
    "time": "Wed Feb 17 14:02:48 2010 +1100"
  },
  "message": "powerpc: Reduce footprint of xics_ipi_struct\n\nRight now we allocate a cacheline sized NR_CPUS array for xics IPI\ncommunication. Use DECLARE_PER_CPU_SHARED_ALIGNED to put it in percpu\ndata in its own cacheline since it is written to by other cpus.\n\nOn a kernel with NR_CPUS\u003d1024, this saves quite a lot of memory:\n\n   text    data     bss      dec         hex    filename\n8767779 2944260 1505724 13217763         c9afe3 vmlinux.irq_cpustat\n8767555 2813444 1505724 13086723         c7b003 vmlinux.xics\n\nA saving of around 128kB.\n\nSigned-off-by: Anton Blanchard \u003canton@samba.org\u003e\nSigned-off-by: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "63eaa8a220c002de5e02ea16eaca791d7b90905e",
      "old_mode": 33188,
      "old_path": "arch/powerpc/platforms/pseries/xics.c",
      "new_id": "41374e830eb1efbfac7ed4c781ef4257c981f3d6",
      "new_mode": 33188,
      "new_path": "arch/powerpc/platforms/pseries/xics.c"
    }
  ]
}