cvs commit: src/sys/vm vm_mmap.c

[Nate Lawson]

On Thu, 18 Mar 2004, Guido van Rooij wrote:
> guido       2004/03/18 12:58:51 PST
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/vm               vm_mmap.c
>   Log:
>   When mmap-ing a file from a noexec mount, be sure not to grant the right
>   to mmap it PROT_EXEC. This also depends on the architecture, as some
>   architextures (e.g. i386) do not distinguish between read and exec pages
>
>   Inspired by:    http://linux.bkbits.net:8080/linux-2.4/cset@1.1267.1.85
>   Reviewed by:    alc
>
>   Revision  Changes    Path
>   1.186     +5 -1      src/sys/vm/vm_mmap.c

Prescott and AMD64 have a no-exec page bit now.

-Nate