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Merge tag 'dma-mapping-5.3-5' of git://git.infradead.org/users/hch/dma-mapping

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Pull dma-mapping fixes from Christoph Hellwig:
 "Two fixes for regressions in this merge window:

   - select the Kconfig symbols for the noncoherent dma arch helpers on
     arm if swiotlb is selected, not just for LPAE to not break then Xen
     build, that uses swiotlb indirectly through swiotlb-xen

   - fix the page allocator fallback in dma_alloc_contiguous if the CMA
     allocation fails"

* tag 'dma-mapping-5.3-5' of git://git.infradead.org/users/hch/dma-mapping:
  dma-direct: fix zone selection after an unaddressable CMA allocation
  arm: select the dma-noncoherent symbols for all swiotlb builds
This commit is contained in:
Linus Torvalds
2019-08-24 20:00:11 -07:00
parent 083f0f2cd4 90ae409f9e
commit e67095fd2f
6 changed files with 19 additions and 15 deletions
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5
include/linux/dma-contiguous.h
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@@ -160,10 +160,7 @@ bool dma_release_from_contiguous(struct device *dev, struct page *pages,
static inline struct page *dma_alloc_contiguous(struct device *dev, size_t size,
gfp_t gfp)
{
int node = dev ? dev_to_node(dev) : NUMA_NO_NODE;
size_t align = get_order(PAGE_ALIGN(size));
return alloc_pages_node(node, gfp, align);
return NULL;
}
static inline void dma_free_contiguous(struct device *dev, struct page *page,