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    SubjectRe: Memory mapped files question
    On Mon, Apr 14, 2003 at 07:36:39AM -0700, Martin J. Bligh wrote:
    > > Hi, everyone. I'm running into a problem that I hope someone else has seen,
    > > and maybe can help solve. We're using the mmap system function for memory
    > > mapped files, but our updates never get flushed until we munmap or msysnc.
    > > Are we missing something? Is there a tunable parameter in the kernel or
    > > filing system that can be set to flag these updates as 'write required'?
    >
    > This was discussed about a week ago on either linux-kernel or linux-mm.
    > The short answer is "yes, that's deliberate", but an archive search would
    > probably be fruitful.
    >
    > M.

    Martin, something which was not mentioned last week (I've just checked).

    It's OK if we never write to disk unless explicitely told, but will we writeback
    when we munmap?

    Greets, Antonio.
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