[PATCH] pseries: Fix 64 bit logical memory block panic

[Michael Ellerman]

Anton Blanchard <anton at ozlabs.org> writes:
> Booting with a 4GB LMB size causes us to panic:
>
>   qemu-system-ppc64: OS terminated: OS panic:
>       Memory block size not suitable: 0x0
>
> Fix pseries_memory_block_size() to handle 64 bit LMBs.
>
> Cc: stable at vger.kernel.org
> Signed-off-by: Anton Blanchard <anton at ozlabs.org>
> ---
>  arch/powerpc/platforms/pseries/hotplug-memory.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
> index 5ace2f9a277e..6574ac33e887 100644
> --- a/arch/powerpc/platforms/pseries/hotplug-memory.c
> +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
> @@ -27,7 +27,7 @@ static bool rtas_hp_event;
>  unsigned long pseries_memory_block_size(void)
>  {
>  	struct device_node *np;
> -	unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE;
> +	uint64_t memblock_size = MIN_MEMORY_BLOCK_SIZE;

I changed it to u64.

cheers