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SubjectRe: Memory mapped files question
> 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.

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