[PATCH v2 03/20] x86, ACPI, mm: Kill max_low_pfn_mapped

2013-04-04 Thread Yinghai Lu
On Thu, Apr 4, 2013 at 10:36 AM, Tejun Heo wrote: > Hello, > > On Sat, Mar 09, 2013 at 10:44:30PM -0800, Yinghai Lu wrote: >> Now we have arch_pfn_mapped array, and max_low_pfn_mapped should not >> be used anymore. >> >> User should use arch_pfn_mapped or just 1UL<<(32-PAGE_SHIFT) instead. >> >>

[PATCH v2 03/20] x86, ACPI, mm: Kill max_low_pfn_mapped

2013-04-04 Thread Tejun Heo
Hello, On Sat, Mar 09, 2013 at 10:44:30PM -0800, Yinghai Lu wrote: > Now we have arch_pfn_mapped array, and max_low_pfn_mapped should not > be used anymore. > > User should use arch_pfn_mapped or just 1UL<<(32-PAGE_SHIFT) instead. > > Only user is ACPI_INITRD_TABLE_OVERRIDE, and it should not

Re: [PATCH v2 03/20] x86, ACPI, mm: Kill max_low_pfn_mapped

2013-04-04 Thread Tejun Heo
Hello, On Sat, Mar 09, 2013 at 10:44:30PM -0800, Yinghai Lu wrote: Now we have arch_pfn_mapped array, and max_low_pfn_mapped should not be used anymore. User should use arch_pfn_mapped or just 1UL(32-PAGE_SHIFT) instead. Only user is ACPI_INITRD_TABLE_OVERRIDE, and it should not use that,

Re: [PATCH v2 03/20] x86, ACPI, mm: Kill max_low_pfn_mapped

2013-04-04 Thread Yinghai Lu
On Thu, Apr 4, 2013 at 10:36 AM, Tejun Heo t...@kernel.org wrote: Hello, On Sat, Mar 09, 2013 at 10:44:30PM -0800, Yinghai Lu wrote: Now we have arch_pfn_mapped array, and max_low_pfn_mapped should not be used anymore. User should use arch_pfn_mapped or just 1UL(32-PAGE_SHIFT) instead.

[PATCH v2 03/20] x86, ACPI, mm: Kill max_low_pfn_mapped

2013-03-09 Thread Yinghai Lu
Now we have arch_pfn_mapped array, and max_low_pfn_mapped should not be used anymore. User should use arch_pfn_mapped or just 1UL<<(32-PAGE_SHIFT) instead. Only user is ACPI_INITRD_TABLE_OVERRIDE, and it should not use that, as later accessing is using early_ioremap(). Change to try to 4G below

[PATCH v2 03/20] x86, ACPI, mm: Kill max_low_pfn_mapped

2013-03-09 Thread Yinghai Lu
Now we have arch_pfn_mapped array, and max_low_pfn_mapped should not be used anymore. User should use arch_pfn_mapped or just 1UL(32-PAGE_SHIFT) instead. Only user is ACPI_INITRD_TABLE_OVERRIDE, and it should not use that, as later accessing is using early_ioremap(). Change to try to 4G below