On Fri, Mar 23, 2012 at 1:54 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
>> --- a/arch/x86/mm/init.c
>> +++ b/arch/x86/mm/init.c
>> @@ -391,6 +391,12 @@ void free_initrd_mem(unsigned long start, unsigned long end)
>> * - relocate_initrd()
>> * So here We can do PAGE_ALIGN() safely to get partial page to be freed
>> */
>> +#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
>> + if (acpi_initrd_offset)
>> + free_init_pages("initrd memory", start - acpi_initrd_offset,
>> + PAGE_ALIGN(end));
>> + else
>> +#endif
>
> table already get copied to allocated ram, So you don't need to keep
> the portion in initrd range.
>
>> free_init_pages("initrd memory", start, PAGE_ALIGN(end));
>> }
oh, i missed it. that is offset
change following would be more clean?
+#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
+ /* offset back to free acpi tables */
+ if (acpi_initrd_offset)
+ start -= acpi_initrd_offset,
+#endif
Yinghai
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