Commit 298f3db6 authored by Peter Collingbourne's avatar Peter Collingbourne Committed by Christoph Hellwig
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dma-contiguous: fix comment for dma_release_from_contiguous 



Commit 90ae409f ("dma-direct: fix zone selection
after an unaddressable CMA allocation") changed the logic in
dma_release_from_contiguous to remove the normal pages fallback path,
but did not update the comment. Fix that.

Signed-off-by: default avatarPeter Collingbourne <pcc@google.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 1d659236

kernel/dma/contiguous.c

+2 −2
Original line number Diff line number Diff line
@@ -222,8 +222,8 @@ bool dma_release_from_contiguous(struct device *dev, struct page *pages, 
 * @gfp:   Allocation flags.

 *

 * This function allocates contiguous memory buffer for specified device. It

 * first tries to use device specific contiguous memory area if available or

 * the default global one, then tries a fallback allocation of normal pages.

 * tries to use device specific contiguous memory area if available, or the

 * default global one.

 *

 * Note that it byapss one-page size of allocations from the global area as

 * the addresses within one page are always contiguous, so there is no need

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