Re: Kernel memory limits?

[Dave Hansen]

On Thu, 2005-03-17 at 11:06 -0700, Peter W. Morreale wrote:
> (I did not see this addressed in the FAQs...)
> 
> How much physical memory can the 2.4.26 kernel address in kernel context on 
> x86?

896 MB

There are patches to move this around, though.

> What about DMA memory?

What kind of DMA?

> Local rumor says ~1GB.  But this makes little sense given a 32-bit address.
> 
> Where in the source can I learn more about this?

arch/i386
include/asm-i386 

:)

Check out MAXMEM in include/asm-i386/page.h (at least 2.6)

-- Dave

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