Alan Cox wrote:
Files are different. File content tends to be grouped
in large related chunks, both logically in the file and
on disk. Generally there is a lot more file data on a
system than what fits in memory.
Binary paging patterns don't always look like that unfortunately although
I suspect we might want to be weighing towards paging out R/O file mapped
pages earlier simply because they are bigger linear chunks
A properly implemented use-once algorithm should be able
to filter out the spatial locality of reference pages from
the temporal locality of reference ones, though...
--
Politics is the struggle between those who want to make their country
the best in the world, and those who believe it already is. Each group
calls the other unpatriotic.
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