Re: large memory support for x86

From: Timur Tabi (ttabi@interactivesi.com)
Date: Fri Oct 13 2000 - 13:42:24 EST


** Reply to message from Ingo Molnar <mingo@elte.hu> on Fri, 13 Oct 2000
20:44:19 +0200 (CEST)

> processes are not limited to a single segment, eg. Wine uses nonstandard
> segments. But as i said, using multiple segments does not let you out of
> 32 bits of virtual memory.

Sure it does, just like segments let 16-bit apps access more than 64KB of
memory. If you have two selectors, each one can point to a different physical
base address, and IIRC, the size of the physical address base can be 36 bits.
That gives you 16 physically contiguous 4GB memory blocks.

-- 
Timur Tabi - ttabi@interactivesi.com
Interactive Silicon - http://www.interactivesi.com

When replying to a mailing-list message, please don't cc: me, because then I'll just get two copies of the same message. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sun Oct 15 2000 - 21:00:25 EST