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由 Yinghai Lu 提交于
This adds a busn_res resource in struct pci_bus. This will replace the secondary/subordinate members and will be used to build a bus number resource tree to help with bus number allocation. [bhelgaas: changelog] CC: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NYinghai Lu <yinghai@kernel.org> Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
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