kernel memory

Petri Helenius pete at he.iki.fi
Sun Jul 24 07:08:25 GMT 2005


BTW, I remember seeing a freebsd memory map somewhere but I'm unable to 
locate it again. Is there one that has been updated to be valid for the 
64 bit platforms?

Pete


Petri Helenius wrote:

> Peter Wemm wrote:
>
>>
>> 2GB for paged kernel memory.  But in addition we access memory via 
>> the direct map area to avoid the need for temporary mappings in many 
>> cases.  uma (malloc, mbufs) etc use this, as does the sfbuf temporary 
>> mapping system.
>>
>>  
>>
> So there is no limitation for malloced memory? Say if my driver would 
> like to have 4 or 8 gig lookup cache that would work?
>
> Pete
>
>
>



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