arceos_api::memFunction ax_alloc_coherent
Source pub unsafe fn ax_alloc_coherent(layout: Layout) -> Option<DMAInfo>
Available on crate feature dma
only.
Expand description
Allocates coherent memory that meets Direct Memory Access (DMA)
requirements.
Returns None
if the allocation fails.
ยงSafety
This function is unsafe because it requires users to manually manage
the buffer life cycle.