On 02/28/2013 02:13 PM, Simon Jeons wrote:
> Hi Jiang,
>
> https://patchwork.kernel.org/patch/1781291/
>
> You said that the bootmem allocator doesn't touch *highmem pages*, so 
> highmem zones' managed_pages is set to the accurate value 
> "spanned_pages - absent_pages" in function free_area_init_core() and 
> won't be updated anymore. Why it doesn't touch *highmem pages*? Could 
> you point out where you figure out this?

Yeah, why bootmem doesn't touch highmem pages? The patch is buggy. :(