other question - tried enabling it on my i386 laptop (256 megs ram), 
always
      mappings==0, while promitions>demotions>0.


The default starting address for executables on i386 is not aligned to a 2/4MB page boundary. Hence, "mappings" are much less likely to occur.


      certainly there are apps that could be put on big pages, gimp editing 
40MB bitmap for
      example


Regards,
Alan



how can i check how much (or maybe - what processes) 2MB pages are actually allocated?
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