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linux/drivers/dma/dmaengine.c
Matthew Wilcox adc064cd9f dmaengine: Convert ID allocation to an IDA 
dmaengine currently uses an IDR to allocate DMA IDs, but it only needs
to know whether IDs are in use or not; the ID to pointer functionality
of the IDR is unused.  That means it can use the more space-efficient IDA.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-01-02 09:46:32 +05:30

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