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Comment: converted to 1.6 markup

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In reality, each spamd process is probably sharing somewhere between 50% and 90% of its pages with the other spamds (depending on its age), but 'top' is unable to report this correctly.

Wiki MarkupMore details, and a demonstration script, \[http://bugzilla.spamassassin.org/show_bug.cgi?id=3839#c10 can be found here\].

Workarounds

Wiki Markup
If you want a reliable idea of your memory sharing, one way to determine this seems to be to downgrade the kernel to vanilla 2.4.\[12\]\* or test on a non-Linux platform.  There's also patches that can be applied to 2.6 to get useful figures via the /proc/$$/smaps interface; \[[lkml thread on the topic|http://lkml.org/lkml/2005/7/6/250 lkml thread on the topic\].