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On 14.04.2011 17:09, Adrian Cornish wrote: You right, devices like graphic card, ethernet cards etc. are mapped into memory, what cause some amount RAM is not available for system use. But as i've wrote before, i'm wondering why addresses in /proc/iomem (where the map of memory is) are not contiguous. I think, there should be info about what region of memory is mapped where (BIOS, PCI bus, for system use etc) for whole 4GB (Am I right??) address space (for 32bit OS). Instead of that, there are small "holes" in addresses and the total size of this holes (in my case) is about 400MB. So i wonder where that memory is.Just a thought - lower end graphic cards use system RAM as their own dont they |
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