[Devel] Re: [PATCH 1/9] exec_path 1/9: introduce ->exec_path and switch /proc/*/exe

[Christoph Hellwig]

On Thu, Jun 04, 2009 at 03:04:22AM +0400, Alexey Dobriyan wrote:
> ->exec_path is copied on clone(2) and put at do_exit() time.
> 
> ->exec_path is going to replace struct mm_struct::exe_file et al
> and allows to remove VM_EXECUTABLE flag while keeping readlink("/proc/*/exe")
> without loop over all VMAs.

Why don't you leave it in mm_struct?  That'll avoid having to mess with
it in clone, and given that exec always replaces the whole VM it's a
more natural fit anyway.

But yeah, a path seems much more suitable than keeping a file.
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