large pages (amd64)

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Sun Jun 28 22:28:48 UTC 2009


>
>       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?


More information about the freebsd-hackers mailing list