Update documentation/memory.md
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@ -16,7 +16,8 @@ Cause create all [pt](./memory/page_table.md) will cost 3MB (768 * 1024 * 4, 768
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|0|left empty so read or write on NULL triggers an interrupt|
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|0|left empty so read or write on NULL triggers an interrupt|
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|1-767|user process allocations|
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|1-767|user process allocations|
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|768|kernel code and stack|
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|768|kernel code and stack|
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|769-1020|kernel allocations|
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|769-1019|kernel allocations|
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|1020|page for page allocations|
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|1021|VBE screen|
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|1021|VBE screen|
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|1022|frame allocator variables|
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|1022|frame allocator variables|
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|1023|multiboot|
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|1023|multiboot|
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