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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

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?


Wai Yee Peter Wong
IBM Linux Technology Center, Performance Analysis
Office: (512) 838-9272, T/L 678-9272; Fax: (512) 838-4663

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