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    SubjectRe: [lockup] Re: objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines)
    Ingo Molnar <mingo@elte.hu> wrote:
    >
    > or run the attached test-mmap2.c code, which simulates a very small DB
    > app using only 1800 vmas per process: it only maps 8 MB of shm and
    > spawns 32 processes. This has an even more lethal effect than the
    > previous code.

    Do these tests actually make any forward progress at all, or is it some bug
    which has sent the kernel into a loop?

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