Re: [PATCH 27/33] dma-direct: use node local allocations for coherent memory

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 10/01/18 08:00, Christoph Hellwig wrote:
To preserve the x86 behavior.

And combined with patch 10/22 of the SWIOTLB refactoring, this means SWIOTLB allocations will also end up NUMA-aware, right? Great, that's what we want on arm64 too :)

Reviewed-by: Robin Murphy <robin.murphy@xxxxxxx>

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
  lib/dma-direct.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/dma-direct.c b/lib/dma-direct.c
index a9ae98be7af3..f04a424f91fa 100644
--- a/lib/dma-direct.c
+++ b/lib/dma-direct.c
@@ -38,7 +38,7 @@ static void *dma_direct_alloc(struct device *dev, size_t size,
  	if (gfpflags_allow_blocking(gfp))
  		page = dma_alloc_from_contiguous(dev, count, page_order, gfp);
  	if (!page)
-		page = alloc_pages(gfp, page_order);
+		page = alloc_pages_node(dev_to_node(dev), gfp, page_order);
  	if (!page)
  		return NULL;


[Index of Archives]     [Linux MIPS Home]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Linux]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux