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swiotlb: remove unused field "used" from struct io_tlb_mem

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Commit 20347fca71 ("swiotlb: split up the global swiotlb lock") moved
the number of used slots to struct io_tlb_area, but it did not remove
the field from struct io_tlb_mem.

Signed-off-by: Petr Tesarik <petr.tesarik.ext@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Petr Tesarik 2023-06-06 14:46:25 +02:00 • committed by Christoph Hellwig
parent 51ff97d54f
commit efa76afdde
1 changed files with 0 additions and 2 deletions
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2
include/linux/swiotlb.h
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@ -76,7 +76,6 @@ dma_addr_t swiotlb_map(struct device *dev, phys_addr_t phys,
* @nslabs: The number of IO TLB blocks (in groups of 64) between @start and
* @end. For default swiotlb, this is command line adjustable via
* setup_io_tlb_npages.
* @used: The number of used IO TLB block.
* @list: The free list describing the number of free entries available
* from each index.
* @orig_addr: The original address corresponding to a mapped entry.
@ -98,7 +97,6 @@ struct io_tlb_mem {
phys_addr_t end;
void *vaddr;
unsigned long nslabs;
unsigned long used;
struct dentry *debugfs;
bool late_alloc;
bool force_bounce;