[Devel] Re: [RFC][PATCH] Do not set /proc inode->pid for non-pid-related inodes

[Dave Hansen]

On Mon, 2007-03-26 at 11:12 -0600, Eric W. Biederman wrote:
> 
> > In (at least one version of) Dave's patches, the /proc your pidns is
> > automatically used when you use /proc.  In that case a /proc should
> > just go away when the last task goes away, since noone else can use
> > that /proc.
> 
> Unless I am rather confused that does extremely nasty things to
> the VFS dentry cache.  Because a dentry can point at one process
> one minute and another process the next.  It is doable but only
> at the cost of decreased performance.

By using, I think Serge meant "mounting".  We're going to statically
assign a /proc mount to a namespace when the mount is created, not fudge
it around at runtime.

How does this thrash the dcache?

-- Dave

_______________________________________________
Containers mailing list
Containers at lists.linux-foundation.org
https://lists.linux-foundation.org/mailman/listinfo/containers