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When we free a chunk of page blocks of the right order, we should free/unmap the backing memory. This is the other part of the demand paging equation (and will also be used for other scenarios, like ioremap).
d8f1d605
When we free a chunk of page blocks of the right order, we should free/unmap the backing memory. This is the other part of the demand paging equation (and will also be used for other scenarios, like ioremap).