From bdd896e0b81cfb40c8d24a78f9022f6cd1ae5e8c Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Thu, 17 Feb 2011 14:15:11 +0100 Subject: open_issues/performance/io_system/clustered_page_faults: New. And some more IRC discussions. --- microkernel/mach/gnumach/memory_management.mdwn | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'microkernel/mach/gnumach') diff --git a/microkernel/mach/gnumach/memory_management.mdwn b/microkernel/mach/gnumach/memory_management.mdwn index 49a082e9..17dbe46f 100644 --- a/microkernel/mach/gnumach/memory_management.mdwn +++ b/microkernel/mach/gnumach/memory_management.mdwn @@ -34,3 +34,17 @@ IRC, freenode, #hurd, 2011-02-15 except for performance (because you can use larger - even very lage - pages without resetting the mmu often thanks to global pages, but that didn't exist at the time) + +IRC, freenode, #hurd, 2011-02-15 + + however, the kernel won't work in 64 bit mode without some changes + to physical memory management + and mmu management + (but maybe that's what you meant by physical memory) + +IRC, freenode, #hurd, 2011-02-16 + + antrik: youpi added it for xen, yes + antrik: but you're right, since mach uses a direct mapped kernel + space, the true problem is the lack of linux-like highmem support + which isn't required if the kernel space is really virtual -- cgit v1.2.3