Re: riscv32 EXT4 splat, 6.8 regression?

From: Björn Töpel
Date: Tue Apr 16 2024 - 12:01:06 EST


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