From: Jeff Dike <jdike@ad...> - 2004-01-13 04:49:50
I released two /dev/anon patches today - one for stock 2.4.23 and one for
In short, /dev/anon is a device which UML can map its physical memory from
and which can free dirty pages back to the host. In conjunction with
'ubd=mmap', this can noticably reduce the memory consumption of UMLs on
the host. See http://user-mode-linux.sourceforge.net/devanon.html for more
This requires the next version of UML, which will be released shortly.
Also note, that for the time being, 'ubd=mmap' should not be used for
data that you care about. There have been several reports of it eating
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