Messages in this thread | | | Subject | Re: Kernel memory limits? | From | Dave Hansen <> | Date | Thu, 17 Mar 2005 10:34:48 -0800 |
| |
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
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |