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    SubjectRe: [PATCH] CPU hot swap for 2.4.3 + s390 support
    On Sat, May 05, 2001 at 10:43:27AM -0400, Peter Rival wrote:

    Has anyone looked into memory hot swap/hot add support?

    Adding memory probably isn't going to be too hard... but taking
    existing memory off line is tricky. You have to find some way of
    finding all the pages that are in use and then dealing with them
    appropriately, and when some are locked or contain kernel data this
    would be extremely difficult I should think.

    Especially with systems with Chipkill coming out, this would be
    great to support...


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