On Wed, 2003-04-09 at 21:20, Keith Ansell wrote:
> My application uses SHARED memory mapping files for file I/O, and we have
> that Linux does not flush dirty pages to disk until munmap or msync are
> I would like to know are there any development plans which would address
> this issue or
> if there is a version of bdflush which flushes write required pages (dirt=
> pages) to disk?
The linux behavior is perfectly fine and conformant to the posix/sus
specifications, applications that break because of this are defective
and need fixing. This is a performance optimisation that the OS is
perfectly allowed to do.
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