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    SubjectRe: [RFC][PATCH] Cross Memory Attach
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    On Wed, 2010-09-15 at 08:11 -0700, Linus Torvalds wrote:

    > if (copy_to)
    > ret = copy_from_user(..);
    > else
    > ret = copy_to_user(..);
    > kunmap(process_pages[i]);
    > if (ret)
    > goto out;

    Shouldn't we be using kmap_atomic()


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