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author | David S. Miller <davem@davemloft.net> | 2017-01-17 15:19:37 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2017-01-17 15:19:37 -0500 |
commit | 580bdf5650fff8f66468ce491f8308f1117b7074 (patch) | |
tree | 3570ba1406f8cf492308d07cd88d3e53742a69f2 /lib/swiotlb.c | |
parent | e60a42635b764b56ae23c5fd8d36aac27c30f0ae (diff) | |
parent | a249708bc2aa1fe3ddf15dfac22bee519d15996b (diff) | |
download | linux-580bdf5650fff8f66468ce491f8308f1117b7074.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'lib/swiotlb.c')
-rw-r--r-- | lib/swiotlb.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 975b8fc4f1e1..a8d74a733a38 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -483,11 +483,11 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, : 1UL << (BITS_PER_LONG - IO_TLB_SHIFT); /* - * For mappings greater than a page, we limit the stride (and - * hence alignment) to a page size. + * For mappings greater than or equal to a page, we limit the stride + * (and hence alignment) to a page size. */ nslots = ALIGN(size, 1 << IO_TLB_SHIFT) >> IO_TLB_SHIFT; - if (size > PAGE_SIZE) + if (size >= PAGE_SIZE) stride = (1 << (PAGE_SHIFT - IO_TLB_SHIFT)); else stride = 1; |