Messages in this thread | | | From | Andi Kleen <> | Subject | Re: Patch to reorder functions in the vmlinux to a defined order | Date | Thu, 23 Feb 2006 17:48:50 +0100 |
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On Thursday 23 February 2006 17:43, Arjan van de Ven wrote: > On Thu, 2006-02-23 at 17:00 +0100, Andi Kleen wrote: > > On Thursday 23 February 2006 16:09, Arjan van de Ven wrote: > > > > > This patch puts the infrastructure in place to allow for a reordering of > > > functions based inside the vmlinux. The general idea is that it is possible > > > to put all "common" functions into the first 2Mb of the code, so that they > > > are covered by one TLB entry. This as opposed to the current situation where > > > a typical vmlinux covers about 3.5Mb (on x86-64) and thus 2 TLB entries. > > > (This patch depends on the previous patch to pin head.S as first in the order) > > > > I think you would first need to move the code first for that. Currently it starts > > at 1MB, which means 1MB is already wasted of the aligned 2MB TLB entry. > > > > I wouldn't have a problem with moving the 64bit kernel to 2MB though. > > that was easy since it's a Config entry already ;)
I assume you boot tested it?
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