Re: [PATCH v5 2/7] x86/sgx: Add infrastructure to identify SGX EPC pages

[Dave Hansen]

On 9/17/21 2:38 PM, Tony Luck wrote:
>  /*
>   * These variables are part of the state of the reclaimer, and must be accessed
> @@ -649,6 +650,9 @@ static bool __init sgx_setup_epc_section(u64 phys_addr, u64 size,
>  	}
>  
>  	section->phys_addr = phys_addr;
> +	section->end_phys_addr = phys_addr + size - 1;
> +	xa_store_range(&epc_page_ranges, section->phys_addr,
> +		       section->end_phys_addr, section, GFP_KERNEL);

Did we ever figure out how much space storing really big ranges in the
xarray consumes?