On 28.01.2013 09:45, Peter Lieven wrote: > Hi, > > I would like to know if it would be a good idea to change the page allocator > zeroing > policy from zero on allocate (for GFP_USER) to zero on free for the -virtual > kernel builds. > > This has been initally proposed in grsecurity for security reasons, but it is > extremely > beneficial in virtual environments for 2 additional reasons: > > a) live migration > b) ksm > > What is your opinion on this? > > Thanks, > Peter > > Since Quantal (12.10) there is no separate virtual kernel flavour anymore. So any proposed change affects more than just virtual (in fact server and desktop kernels). So no there (if that is not an upstream default in future).
-Stefan
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