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    SubjectRe: [STACK] >3k call path in reiserfs
    Chris Mason wrote:

    >On Wed, 2004-06-09 at 13:06, Hans Reiser wrote:
    >
    >
    >
    >>>No such luck, the real offender is having tree balance structs on the
    >>>stack. We need to switch to kmalloc for those, which will be mean some
    >>>extra work to make sure we don't schedule at the wrong time.
    >>>
    >>>In other words, not the trivial patch I was hoping for, but I'm cooking
    >>>one up.
    >>>
    >>>
    >
    >
    >
    >>Can you give me some background on whether this is causing real problems
    >>for real users?
    >>
    >>
    >
    >Especially with the 4k stack option enabled, it will cause real problems
    >for real users. A better change would be to cut down on the size of the
    >tree balance struct, but that would be more invasive. For starters we
    >might be able to switch from ints to shorts for some of the arrays.
    >
    >-chris
    >
    >
    >
    >
    >
    >
    Can you tell me about the "4k stack option"?
    -
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