Re: VFS/ext2fs - large files on the Alpha (fails for 17GB+)

Olivier Galibert (galibert@pobox.com)
Wed, 19 Aug 1998 18:16:42 +0200


On Wed, Aug 19, 1998 at 12:47:24PM +0000, H. Peter Anvin wrote:
> Followup to: <35DAA119.86845AD6@osa.de>
> By author: Daniel Pittman <danielp@osa.de>
> In newsgroup: linux.dev.kernel
> >
> > Well, not totally. There is the posiblity that the Intel engineers
> > offered us for addressing more than one single 32 bit space:
> > segmentation.
> >
>
> Nope, segmentation gets mapped onto a single 4 GB linear space.

64Gb (36 bits) since the P6. But then segmented addressing sucks
blackholes through strawpipes, and kills performance badly (increased
register pressure et al.).

OG.

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