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swiotlb: Mark max_segment with static keyword

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Sparse is not happy about max_segment declaration:

  CHECK   kernel/dma/swiotlb.c
  kernel/dma/swiotlb.c:96:14: warning: symbol 'max_segment' was not declared. Should it be static?

Mark it static as suggested.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Andy Shevchenko 2020-09-02 20:31:05 +03:00 committed by Konrad Rzeszutek Wilk
parent 61b82bbf69
commit b51e627158
1 changed files with 1 additions and 1 deletions
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2
kernel/dma/swiotlb.c
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@ -93,7 +93,7 @@ static unsigned int io_tlb_index;
* Max segment that we can provide which (if pages are contingous) will
* not be bounced (unless SWIOTLB_FORCE is set).
*/
unsigned int max_segment;
static unsigned int max_segment;
/*
* We need to save away the original address corresponding to a mapped entry