Subject: Re: UBC and occasional-use apps
To: Lars Heidieker <firstname.lastname@example.org>
From: Jason R Thorpe <email@example.com>
Date: 10/29/2001 07:26:51
On Sat, Oct 27, 2001 at 07:45:41PM +0100, Lars Heidieker wrote:
> Yes using the ref count seems quite good to me as is it makes the difference.
> The trouble with making the difference by looking at vtext is that only the
> text section are mapped vtext and that the datasection of an executable are
> mapped like "any other filemapping" or are anons if they have been cow.
> I think there has been some discussion about the fact that libraries are
> not acounted as vtext at all (in the current implementation).
Currently, only images that are exec'd are marked VTEXT. It might make
sense to mark a vnode as VTEXT when a PROT_EXEC mmap'ing happens or when
a PROT_EXEC mprotect'ing happens.
-- Jason R. Thorpe <firstname.lastname@example.org>