Subject: Re: "resident" executables, a COW and shared library like feature
To: None <tech-kern@netbsd.org>
From: David Laight <david@l8s.co.uk>
List: tech-kern
Date: 10/01/2002 14:45:22
On Thu, Sep 26, 2002 at 07:40:45AM -0700, Jason R Thorpe wrote:
> On Thu, Sep 26, 2002 at 12:40:36PM +0200, Wojciech Puchar wrote:
> 
>  > it will be useful to make all (or most) .so libraries like that and
>  > dynamic linker itself
> 
> Shared libraries and the dynamic linker *already* share in this way...

OTOH mapping libc at a fixed and reserved address would, on some
architectures at least, allow the code pages to use global TLB
entries.  This would mean that cache lines could be shared between
different processes.

	David

-- 
David Laight: david@l8s.co.uk