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    SubjectRe: [PATCH 6/7] mm: kill vma flag VM_EXECUTABLE
    On Thu, Apr 5, 2012 at 2:44 PM, Matt Helsley <> wrote:
    > I don't think the definition of an ABI is whether there's documentation
    > for it. It's whether the interface is used or not. At least that's the
    > impression I've gotten from reading Linus' rants over the years.


    That said, I *do* have some very dim memory of us having had real
    issues with the /proc/<pid>/exe thing and having regressions due to
    holding refcounts to executables that were a.out binaries and not
    demand-loaded. And people wanting to unmount filesystems despite the
    binaries being live.

    That said, I suspect that whatever issues we used to have with that
    are pretty long gone. I don't think people use non-mmap'ed binaries
    any more. So I think we can try it and see. And revert if somebody
    actually notices and has problems.


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