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kernel: メモリー関連のメッセージが起動時に /var/log/messages に表示される

Solution In Progress - Updated -

Issue

  • システムの起動時に、/var/log/messages ログにカーネル関連の警告メッセージが表示されました。
  • このメッセージはどのような意味がありますか? このメッセージは安全ですか?
May 23 12:02:57 rhel7 kernel: Zone ranges:
May 23 12:02:57 rhel7 kernel:  DMA      [mem 0x00001000-0x00ffffff]
May 23 12:02:57 rhel7 kernel:  DMA32    [mem 0x01000000-0xffffffff]
May 23 12:02:57 rhel7 kernel:  Normal   empty
May 23 12:02:57 rhel7 kernel: Movable zone start for each node
May 23 12:02:57 rhel7 kernel: Early memory node ranges
May 23 12:02:57 rhel7 kernel:  node   0: [mem 0x00001000-0x0009afff]
May 23 12:02:57 rhel7 kernel:  node   0: [mem 0x00100000-0x3fffbfff]

Environment

  • Red Hat Enterprise Linux 7

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