Re: [PATCH -v7 1/3] x86 boot: setup data

From: H. Peter Anvin
Date: Tue Oct 23 2007 - 19:55:42 EST


Andi Kleen wrote:

With the early reserve code in ftp://firstfloor.org/pub/ak/x86_64/quilt/patches/early-reserve
and
ftp://firstfloor.org/pub/ak/x86_64/quilt/patches/early-alloc
this could be likely done cleaner.


Indeed it could. For i386, the equivalent code would have another significant benefit: reserving memory and then mapping and accessing it later would (at least eventually) allow accesses > 4 GB on PAE kernels (or with a PSE36 hack, on non-PAE kernels.)

-hpa
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