Nam Cao <namcao@xxxxxxxxxxxxx> writes: > Fixed version: > > diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c > index fa34cf55037b..af4192bc51d0 100644 > --- a/arch/riscv/mm/init.c > +++ b/arch/riscv/mm/init.c > @@ -245,6 +245,7 @@ static void __init setup_bootmem(void) > * be done as soon as the kernel mapping base address is determined. > */ > if (!IS_ENABLED(CONFIG_64BIT)) { > + memblock_reserve(__pa(-PAGE_SIZE), PAGE_SIZE); > max_mapped_addr = __pa(~(ulong)0); > if (max_mapped_addr == (phys_ram_end - 1)) > memblock_set_current_limit(max_mapped_addr - 4096); Nice! Can't we get rid of the if-statement, and max_mapped_address as well? Björn