Re: mmap() page swapping location?

From: Juan J. Quintela (
Date: Wed Aug 02 2000 - 05:03:19 EST

>>>>> "chris" == Chris Quinn <> writes:

Hi Chris

chris> I don't think MAP_PRIVATE quite fits the bill because pages
chris> become divorced from the file; msync() and munmap() seem no
chris> longer to reflect changes back to disk. I want to keep that
chris> association as it is efficient.

not at all, the only differece between MAP_PRIVATE and MAP_SHARED is
that you need to do an msync with MAP_PRIVATE to write to the disk,
with MAP_SHARED the write to the disk will be an any time.

Later, Juan.

In theory, practice and theory are the same, but in practice they 
are different -- Larry McVoy

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to Please read the FAQ at

This archive was generated by hypermail 2b29 : Mon Aug 07 2000 - 21:00:08 EST