+linuxppc-dev On Wed, Nov 24, 2021 at 09:33:47PM +0800, Calvin Zhang wrote: > Reserved memory regions in /memreserve node aren't and shouldn't > be referenced elsewhere. So mark them no-map to skip direct mapping > for them. I suspect this has a high chance of breaking some platform. There's no rule a region can't be accessed. > > Signed-off-by: Calvin Zhang <calvinzhang.cool@xxxxxxxxx> > --- > drivers/of/fdt.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c > index bdca35284ceb..9e88cc8445f6 100644 > --- a/drivers/of/fdt.c > +++ b/drivers/of/fdt.c > @@ -638,7 +638,7 @@ void __init early_init_fdt_scan_reserved_mem(void) > fdt_get_mem_rsv(initial_boot_params, n, &base, &size); > if (!size) > break; > - early_init_dt_reserve_memory_arch(base, size, false); > + early_init_dt_reserve_memory_arch(base, size, true); > } > > fdt_scan_reserved_mem(); > -- > 2.30.2 > >