Re: [PATCH] BUG() in exec_mmap()

[Ernie Petrides]

On Thursday, 9-Oct-2003 at 21:1 EDT, Ernie Petrides wrote:

> Sorry I missed the discussion on the original changes.  Was there a
> race condition with another cpu gaining a reference in proc_pid_status()
> or access_process_vm() or something like that?  Is it possible to just
> use down_read(&old_mm->mmap_sem) and up_read(&old_mm->mmap_sem) inside
> exec_mmap() around the optimized call to exit_mmap() instead?

I meant down_write() and up_write().  (But I haven't evaluated whether
this would be feasible.)

Cheers.  -ernie
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