Re: [PATCH v2] x86: Remove compat vdso support

H. Peter Anvin
2014-03-11T17:03:54Z

On 03/11/2014 09:45 AM, Andy Lutomirski wrote:
>
> We could even just relocate the damn thing wherever it ends up. That
> will waste one page of memory per process, though.
>

We could definitely relocate it once and use the address across all
processes (e.g. top of the user address space.)

However, just changing one reserved page to two really is a trivial
change which preserves the status quo.

-hpa