Re: [PATCH v2 07/15] MIPS: memblock: Reserve kdump/crash regions in memblock

[Matt Redfearn]

Hi Serge,

On 02/02/18 03:54, Serge Semin wrote:
> Kdump/crashkernel memory regions should be reserved in the
> memblock allocator so they wouldn't be occupied by any further
> allocations.
>
> Signed-off-by: Serge Semin <fancer.lancer@xxxxxxxxx>

This looks good to me

Reviewed-by: Matt Redfearn <matt.redfearn@xxxxxxxx>

Thanks,
Matt

> ---
>   arch/mips/kernel/setup.c | 8 +++-----
>   1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
> index 72853e94c2c7..b2a5b89ae6b2 100644
> --- a/arch/mips/kernel/setup.c
> +++ b/arch/mips/kernel/setup.c
> @@ -826,17 +826,15 @@ static void __init arch_mem_init(char **cmdline_p)
>   	if (setup_elfcorehdr && setup_elfcorehdr_size) {
>   		printk(KERN_INFO "kdump reserved memory at %lx-%lx\n",
>   		       setup_elfcorehdr, setup_elfcorehdr_size);
> -		reserve_bootmem(setup_elfcorehdr, setup_elfcorehdr_size,
> -				BOOTMEM_DEFAULT);
> +		memblock_reserve(setup_elfcorehdr, setup_elfcorehdr_size);
>   	}
>   #endif
>   
>   	mips_parse_crashkernel();
>   #ifdef CONFIG_KEXEC
>   	if (crashk_res.start != crashk_res.end)
> -		reserve_bootmem(crashk_res.start,
> -				crashk_res.end - crashk_res.start + 1,
> -				BOOTMEM_DEFAULT);
> +		memblock_reserve(crashk_res.start,
> +				 crashk_res.end - crashk_res.start + 1);
>   #endif
>   	device_tree_init();
>   	sparse_init();