"Kernel panic - not syncing: Out of memory: system-wide panic_on_oom is enabled" が原因でサーバーが再起動する

Issue

• サーバーが予期せずに再起動します。

• Kernel panic - not syncing: Out of memory: system-wide panic_on_oom is enabled

  Kernel panic - not syncing: Out of memory: system-wide panic_on_oom is enabled  <==
  Pid: 48837, comm: tseserver.shopp Not tainted 2.6.32-504.el6.x86_64 #1  <==
  Call Trace:
  [<ffffffff815292bc>] ? panic+0xa7/0x16f
  [<ffffffff81127401>] ? dump_header+0x191/0x1b0
  [<ffffffff8112749c>] ? check_panic_on_oom+0x7c/0x80
  [<ffffffff81127b5b>] ? out_of_memory+0x1bb/0x3c0
  [<ffffffff811344df>] ? __alloc_pages_nodemask+0x89f/0x8d0
  [<ffffffff8116c79a>] ? alloc_pages_vma+0x9a/0x150
  [<ffffffff8114f6fd>] ? handle_pte_fault+0x73d/0xb00
  [<ffffffff81063bf3>] ? perf_event_task_sched_out+0x33/0x70
  [<ffffffff8100988e>] ? __switch_to+0x26e/0x320
  [<ffffffff8114fcea>] ? handle_mm_fault+0x22a/0x300
  [<ffffffff815299be>] ? thread_return+0x4e/0x7d0
  [<ffffffff8104d0d8>] ? __do_page_fault+0x138/0x480
  [<ffffffff810a3def>] ? hrtimer_try_to_cancel+0x3f/0xd0
  [<ffffffff810e314d>] ? audit_filter_rules+0x2d/0xdd0
  [<ffffffff810a3f74>] ? hrtimer_nanosleep+0xc4/0x180
  [<ffffffff810e3f80>] ? audit_filter_syscall+0x90/0xe0
  [<ffffffff8152ffbe>] ? do_page_fault+0x3e/0xa0
  [<ffffffff8152d375>] ? page_fault+0x25/0x30