mirror of https://github.com/torvalds/linux.git
38f7ea5a08
dma_generic_alloc_coherent() firstly attempts to allocate by dma_alloc_from_contiguous() if CONFIG_DMA_CMA is enabled. But the memory region allocated by it may not fit within the device's DMA mask. This change makes it fall back to usual alloc_pages_node() allocation for such cases. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Don Dutile <ddutile@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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