elfmalloc: Bubble up OOM errors, remove unnecessary internal code #160
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- Make many internal methods return Option<T> rather than T and return None on OOM - Remove CoarseAllocator::backing_memory and replace it with page_size (which was all the former method was ever being used for)
joshlf
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Option<T>rather thanTand returnNoneon OOMCoarseAllocator::backing_memoryand replace it withpage_size(which was all the former method was ever being used for)This PR is a subset of PR #159 because that PR is giving me issues, so I figured breaking it into smaller PRs would make it easier to debug.