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On Wed, Sep 19 2001, Peter Wong wrote:
> In order to use Jens' zero-bounce highmem I/O patch against 2.4.6,
> a small modification for the patch is needed. Simply replace
> GFP_BUFFER by GFP_NOIO in block-highmem-all-5.gz, which can be obtained
> at http://www.kernel.org/pub/linux/kernel/people/axboe/patches/2.4.6-pre1/.
>
> However, there is another problem. For both 2.4.5 and 2.4.6 with
> Jens' patches, if the kernels are built with 4GB highmem, they
> boot without problems. But if the kernels are built with 64GB
> highmem, the kernels hang right after uncompressing Linux. Has
> anyone seen this problem?

It's a "solved" problem (well sort of, I decided against including the <
4GB memory zone which was the cause of this problem) in this old
version. Use a more recent one and you'll be fine.

Or, use the old one and backout the zone changes.

--
Jens Axboe

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