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    SubjectRe: [patch 3/4 -mm] flex_array: poison free elements
    On Wed, 9 Sep 2009, Dave Hansen wrote:

    > It shouldn't be too hard to do that, though. Although a bit silly to
    > have make a copy_to_user() call for each ->parts[] page, it would be
    > pretty easy to implement.

    Right, but the event buffer becomes slower as a whole because of the
    multiple copy_to_user() on read, indirection into each flex_array_part,
    and add_event_entry() would now require a memcpy.

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      Last update: 2009-09-09 21:37    [W:0.021 / U:13.424 seconds]
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