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A few small dma-mapping fixes for Linux 4.17-rc3:

Browse source 
- don't loop to try GFP_DMA allocations if ZONE_DMA is not actually
    enabled (regression in 4.16)
  - don't try to do virt_to_page before we know we actuall have a
    valid page in dma_common_mmap
  - a comment fixup related to the above fix
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Merge tag 'dma-mapping-4.17-3' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:
 "A few small dma-mapping fixes for Linux 4.17-rc3:

   - don't loop to try GFP_DMA allocations if ZONE_DMA is not actually
     enabled (regression in 4.16)

   - don't try to do virt_to_page before we know we actuall have a valid
     page in dma_common_mmap

   - a comment fixup related to the above fix"

* tag 'dma-mapping-4.17-3' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: postpone cpu addr translation on mmap
  dma-coherent: clarify dma_mmap_from_dev_coherent documentation
  dma-direct: don't retry allocation for no-op GFP_DMA
This commit is contained in:
Linus Torvalds 2018-04-25 11:48:09 -07:00
commit 26ed24e429
3 changed files with 7 additions and 7 deletions
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