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Kernel: Implement a simple Scatter/Gather List

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This allows converting a single virtual buffer into its non-physically
contiguous parts, this is especially useful for DMA-based devices that
support scatter/gather-like functionality, as it eliminates the need
to clone outgoing buffers into one physically contiguous buffer.
This commit is contained in:
Idan Horowitz 2021-01-20 18:34:16 +02:00 • committed by Andreas Kling
parent ecfa7cb824
commit acdd1424bc
4 changed files with 124 additions and 0 deletions
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Kernel/VM/MemoryManager.h
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@ -124,6 +124,7 @@ class MemoryManager {
friend class PhysicalRegion;
friend class AnonymousVMObject;
friend class Region;
friend class ScatterGatherList;
friend class VMObject;
public: