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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