http://bugzilla.kernel.org/show_bug.cgi?id=13351


Yinghai Lu <[email protected]> changed:

           What    |Removed                     |Added
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                 CC|                            |[email protected]




--- Comment #25 from Yinghai Lu <[email protected]>  2009-05-27 20:59:30 ---
that two patches only make the 0x1000 - 0x6000 to be really reserved in e820

according to low memory corruption...

please disable low memory checking to see what will happen

[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  BIOS-e820: 0000000000000000 - 000000000009e800 (usable)
[    0.000000]  BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
[    0.000000]  BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
[    0.000000]  BIOS-e820: 0000000000100000 - 00000000cfee0000 (usable)
[    0.000000]  BIOS-e820: 00000000cfee0000 - 00000000cfee2000 (ACPI NVS)
[    0.000000]  BIOS-e820: 00000000cfee2000 - 00000000cfef0000 (ACPI data)
[    0.000000]  BIOS-e820: 00000000cfef0000 - 00000000cff00000 (reserved)
[    0.000000]  BIOS-e820: 00000000e0000000 - 00000000e4000000 (reserved)
[    0.000000]  BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
[    0.000000]  BIOS-e820: 0000000100000000 - 0000000130000000 (usable)

...
[    0.000000] e820 update range: 00000000cff00000 - 0000000100000000 (usable)
==> (reserved)
[    0.000000] last_pfn = 0xcfee0 max_arch_pfn = 0x100000000
[    0.000000] e820 update range: 0000000000001000 - 0000000000006000 (usable)
==> (reserved)

[    0.000000] Scanning 1 areas for low memory corruption
[    0.000000] modified physical RAM map:
[    0.000000]  modified: 0000000000000000 - 0000000000001000 (usable)
[    0.000000]  modified: 0000000000001000 - 0000000000006000 (reserved)
[    0.000000]  modified: 0000000000006000 - 000000000009e800 (usable)
[    0.000000]  modified: 000000000009f800 - 00000000000a0000 (reserved)
[    0.000000]  modified: 00000000000f0000 - 0000000000100000 (reserved)
[    0.000000]  modified: 0000000000100000 - 00000000cfee0000 (usable)
[    0.000000]  modified: 00000000cfee0000 - 00000000cfee2000 (ACPI NVS)
[    0.000000]  modified: 00000000cfee2000 - 00000000cfef0000 (ACPI data)
[    0.000000]  modified: 00000000cfef0000 - 00000000cff00000 (reserved)
[    0.000000]  modified: 00000000e0000000 - 00000000e4000000 (reserved)
[    0.000000]  modified: 00000000fec00000 - 0000000100000000 (reserved)
[    0.000000]  modified: 0000000100000000 - 0000000130000000 (usable)

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