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    SubjectRe: [PATCH] x86/pci: make pci_mem_start to be aligned only -v4
    Linus Torvalds wrote:
    >
    > On Sat, 18 Apr 2009, Yinghai Lu wrote:
    >> without your patch got
    >>
    >> 00000100-000973ff : System RAM
    >> 00097400-0009ffff : reserved
    >> 000a0000-000bffff : PCI Bus #00
    >> 000c0000-000cffff : pnp 00:0c
    >> 000e0000-000fffff : pnp 00:0c
    >> 00100000-b7f9ffff : System RAM
    >> 00200000-00c68f6b : Kernel code
    >> 00c68f6c-01332f7f : Kernel data
    >> 015a6000-01fcaa57 : Kernel bss
    >> 20000000-23ffffff : GART
    >> b7fa0000-b7fadfff : RAM buffer
    >> b7fae000-b7faffff : System RAM
    >> b7fb0000-b7fbdfff : ACPI Tables
    >> b7fbe000-b7feffff : ACPI Non-volatile Storage
    >> b7ff0000-b7ffffff : reserved
    >> b7ff0000-b7ffffff : RAM buffer
    >> b8000000-beffffff : PCI Bus #00
    >> bf000000-bfffffff : PCI Bus #80
    >
    > Yeah, that "RAM buffer" inside the b7ff0000-b7ffffff reserved area is
    > obviously crap.

    reserved from 0xb7ff0000 - 0xffffffff ranges are registered via e820_reserve_resources_late
    didn't have IORESOURCE_BUSY

    but RAM buffer area has that IORESOURCE_BUSY

    YH


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