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swiotlb: unexport is_swiotlb_active

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Drivers have no business looking at dma-mapping or swiotlb internals.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Christoph Hellwig 2023-04-07 08:34:36 +02:00
parent f9a38ea517
commit 42e584a985
1 changed files with 0 additions and 1 deletions
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kernel/dma/swiotlb.c
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@ -956,7 +956,6 @@ bool is_swiotlb_active(struct device *dev)
return mem && mem->nslabs;
}
EXPORT_SYMBOL_GPL(is_swiotlb_active);
#ifdef CONFIG_DEBUG_FS