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    SubjectRe: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas of a mergeable VMA


    On Sat, 10 Apr 2010, Borislav Petkov wrote:
    >
    > Damn, nope, still no joy :(. It looked like it was fixed but one of the
    > test was to hibernate right after the 3 kvm guests were shut down and I
    > guess the mem freeing pattern kinda hits it where it most hurts.

    Damn, I really hoped that was it. Three independent bugs found and fixed,
    and still no joy? Oh well.

    > By the way, do we want to create a new thread - the mailchain is off the
    > screen limits of my netbook :)

    I prefer to keep it in one thread so that they all show up together if I
    need to, but feel free to start a new one. Not a biggie.

    > [ 647.492781] BUG: unable to handle kernel NULL pointer dereference at (null)
    > [ 647.493001] IP: [<ffffffff810c60a0>] page_referenced+0xee/0x1dc

    Well, it sure is consistent. I'll start to think about what else could go
    wrong..

    Linus


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