Highmem Extremely Slow on >= 2.6

From: Joshua Gao (b0ltz0r_at_gmail.com)
Date: 04/28/05

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    Date: Thu, 28 Apr 2005 02:38:03 GMT
    
    

    I'm having a peculiar problem with highmem and 2.6. To help with
    resolution, I have 4 gigabytes of PC3200 RAM from Crucial on an ASUS
    P4C800 motherboard, using a Pentium 4 3.2C for a processor. The RAM
    tests fine running memtest86 from 2.4.30. I'm running Slackware Linux
    10.1, and I'm only having problems with the 2.6 branch.

    Every single .config I have tried results in an excruciatingly slow
    boot, followed by slow responses by virtually all programs. Disable
    highmem support, and it works speedily. I have not attempted to use the
    latest prepatch, however.

    Any help would be greatly appreciated :)

    -Joshua Gao


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