Patent problem for a future Linux feature?
A report from LWN.net suggests that there may be a patent problem with KSM, a memory management technology that is a candidate for inclusion in a future version of Linux. KSM attempts to extend the idea of sharing memory pages between processes from just managing shared libraries, to any identical memory pages, such as running multiple copies of the same program, or virtualised guest operating systems.
The problem is that there appears to be a software patent held by VMware which seems to, at least in abstract, cover the operation of KSM.
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