mmap breakage?

[Alexander Kabaev]

On Sun, Apr 04, 2004 at 03:12:51PM -0500, Alan Cox wrote:
> Alfred,
> 
> Please try the attached patch.  This problems appears to be a
> consequence of vm/vm_mmap.c revision 1.180, where as part of a much
> needed code reorganization for locking the check for the /dev/zero
> special case got placed after the permissions check for the general
> case.  This patch simply delays the permissions check for devices
> until you have the necessary lock to also check for /dev/zero.
> 
> Since kan@ authored the reorganization, I'm cc:'ing him on this
> message for purposes of obtaining a review.  (At least one comment
> should be updated to reflect my code changes.)
> 
> Regards,
> Alan
> 
> 
Alan, Alfred,

I had the following patch which is currently pending a review by
Peter Wemm. I meant to commit it on Friday, but ran out of time:


 http://perforce.freebsd.org/chv.cgi?CH=50213

--
Alexander Kabaev