Re: [PATCH v2 3/4] x86, boot: Implement ASLR for kernel memory sections (x86_64)

From: Dave Hansen
Date: Mon May 02 2016 - 18:00:59 EST

On 05/02/2016 02:41 PM, Thomas Garnier wrote:
> -#define __PAGE_OFFSET _AC(0xffff880000000000, UL)
> +#define __PAGE_OFFSET_BASE _AC(0xffff880000000000, UL)
> +#define __PAGE_OFFSET page_offset_base
> +#else

Do you have any data about the performance impact of this change? It's
not necessary to have it to merge something like this, I'm just curious
how bad it is.