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  swap Ivan Shmakov <oneingray@gmail.com> - 2013-05-18 08:48 +0000

#8179 — swap

>>>>> wolfgang kern <nowhere@never.at> writes:

	[Cross-posting to news:comp.os.linux.misc, news:alt.os.linux,
	but leaving the Followup-To: set to news:alt.os.development.]

[...]

 > About split partitions and extra files (loonix SWAP, windoze
 > pagefile): I never understood the reason for copying data on disk
 > onto disk when not enough RAM is available.  We always can read from
 > origin, so why make a copy of it to fill another place on disk ?
 > (total nonsense IMW).

	One cannot read the process' working data off disk, because it
	isn't there.  (Unless it was swapped, that is.)

	OTOH, the executables, the shared libraries, and the mmap-ed
	files are, to the best of my knowledge, /not/ swapped.  As long
	as a decent (as in: Linux) virtual memory system is considered.

[...]

-- 
FSF associate member #7257

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