Re: [PATCH 1/2] x86: respect memory size limiting via mem= parameter

[William Kucharski]

> On Jan 22, 2019, at 1:06 AM, Juergen Gross <jgross@xxxxxxxx> wrote:
> 
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index b9a667d36c55..7fc2a87110a3 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -96,10 +96,16 @@ void mem_hotplug_done(void)
> 	cpus_read_unlock();
> }
> 
> +u64 max_mem_size = -1;

This may be pedantic, but I'd rather see U64_MAX used here.