cvs commit: src/sys/vm vm_mmap.c

[Alan Cox]

On Mon, Apr 05, 2004 at 12:22:02AM -0700, Alfred Perlstein wrote:
> This fixes the bug I reported?
> 

Yes, I believe so.  This is the patch that I e-mailed you yesterday.

Alan

> * Alexander Kabaev <kan at FreeBSD.org> [040404 21:54] wrote:
> > kan         2004/04/04 21:54:22 PDT
> > 
> >   FreeBSD src repository
> > 
> >   Modified files:
> >     sys/vm               vm_mmap.c 
> >   Log:
> >   Delay permission checks for VCHR vnodes until after vnode is locked in
> >   vm_mmap_vnode function, where we can safely check for a special /dev/zero
> >   case. Rev. 1.180 has reordered checks and introduced a regression.
> >   
> >   Submitted by:   alc
> >   Was broken by:  kan
> >   
> >   Revision  Changes    Path
> >   1.187     +7 -2      src/sys/vm/vm_mmap.c
> 
> -- 
> - Alfred Perlstein
> - Research Engineering Development Inc.
> - email: bright at mu.org cell: 408-480-4684