Messages in this thread | | | From | (Parag Warudkar) | Subject | Re: ZONE_HIGHMEM query | Date | Mon, 10 Oct 2005 17:00:57 +0000 |
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KernelTrap has an good article explaining the details of HIGHMEM - http://kerneltrap.org/node/2450
Parag
> Hello Everyone , > All books that I have read say that the concept of ZONE_HIGHMEM is > introduced because some architectures cannot directly map memory > beyond 896MB (x86). > > My question is What is direct mapping(does it mean, same virtual > address and physical address) and why cant a architecture directly map > a particular region in the memory? > > > > -- > Thanks and Regards > Vivek Kutal > http://vivekkutal.blogspot.com > > "Live as if you were to die tomorrow. Learn as if you were > to live forever." > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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