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    SubjectRe: [PATCH] ramzswap: Remove backing swap support
    Nitin Gupta wrote:
    > Currently, each ramzswap device can be assigned
    > a separate 'backing swap' file/partition. The ramzswap
    > driver forwards swap I/O requests to this backing swap
    > whenever an incompressible page is found.
    > This feature adds nearly 700 lines of code and it
    > also duplicates much of the swapon() functionality
    > (for example, finding swap extents and so on). Removing
    > this code makes the driver much simpler and should
    > help its transition from staging to stable drivers
    > area (drivers/block/).
    > Similar functionality may be implemented if we can
    > implement migrating pages across swap devices but the
    > details have not yet been worked out.
    > Support for _partitions_ as backing swap could be
    > retained as it requires a few lines of code only.
    > This part can be re-introduced later if above swap
    > migration method turns out to be infeasible.
    > More cleanups and code comments will be added soon.
    > Signed-off-by: Nitin Gupta <>

    Acked-by: Pekka Enberg <>

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      Last update: 2010-05-13 17:17    [W:0.021 / U:83.700 seconds]
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