Re: [PATCH 2.6.13.1] Patch for invisible threads

[Al Viro]

On Wed, Sep 14, 2005 at 08:38:48PM -0500, Sripathi Kodi wrote:
> Roland McGrath wrote:
> >>If you don't like this idea at all, please let me know if there any other 
> >>way of solving the invisible threads problem, short of taking out 
> >>->permission() altogether from proc_task_inode_operations.
> >
> >
> >Have you investigated my suggestion to move __exit_fs from do_exit to
> >release_task?
> 
> Roland,
> 
> No, I had missed this completely. Sorry.
> 
> I just gave it a quick try and it seems to be working fine. I have only 
> moved __exit_fs to the top of release_task, not moved exit_namespace after 
> it. I will try to run some tests to see if this is working fine. Thanks a 
> lot.

Among other things, it means that zombies keep pinning their root and cwd
down, AFAICS.  Not Good(tm).
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