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authorDavid S. Miller <davem@davemloft.net>2017-01-17 15:19:37 -0500
committerDavid S. Miller <davem@davemloft.net>2017-01-17 15:19:37 -0500
commit580bdf5650fff8f66468ce491f8308f1117b7074 (patch)
tree3570ba1406f8cf492308d07cd88d3e53742a69f2 /lib/swiotlb.c
parente60a42635b764b56ae23c5fd8d36aac27c30f0ae (diff)
parenta249708bc2aa1fe3ddf15dfac22bee519d15996b (diff)
downloadlinux-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.c6
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;