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?