Messages in this thread | | | Date | Fri, 07 Dec 2001 18:08:18 -0800 | From | "H. Peter Anvin" <> | Subject | Re: highmem question |
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Marvin Justice wrote:
>>That's because of highmem page bouncing when doing I/O. There is indeed >>a solution for this -- 2.5 or 2.4 + block-highmem-all patches will >>happily do I/O directly to any page in your system as long as your >>hardware supports it. I'm sure we're beating w2k with that enabled :-) >> > > Will your patch lead to better performance than the CONFIGH_HIGHMEM=n case? > Unfortunately, W2K with any amount of memory beat Linux with no highmem (see > http://www.uwsg.indiana.edu/hypermail/linux/kernel/0110.3/0375.html ) so my > PHB decided to hold off on Linux for now. >
Depends if you need the extra memory or not.
-hpa
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