Messages in this thread | | | Subject | Re: Athlon fast_copy_page revisited | Date | Wed, 30 May 2001 19:33:23 +0100 (BST) | From | Alan Cox <> |
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> schemes in user-space but if I try in kernel space, I get the notorious crash inside > fast_copy_page. (If there was some sort of fundamental hardware problem associated with > prefetch or streaming, wouldn't it also show up in user-space?) Note: I've yet to try the
That has been one of the great puzzles. There are patterns that are very different in kernel space - notably physically linear memory and code running from a 4Mb tlb.
Alan
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