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authorSteven Rostedt (VMware) <rostedt@goodmis.org>2017-08-01 14:46:57 -0400
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2017-08-01 14:46:57 -0400
commit9f7cda5ad176c666b27b6b0f36f2daa8860eb18c (patch)
treec14c1e5946f18128e088ee5969269f97fb8b9e51 /lib
parentf9b8c53d3a2eac222ae3885319ede420792d3cfe (diff)
parent9f86f302ec0e37e84617481c587e11c47a397e3f (diff)
Merge tag 'v4.9.36' into v4.9-rt
This is the 4.9.36 stable release
Diffstat (limited to 'lib')
-rw-r--r--lib/swiotlb.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index ad1d2962d129..b7812df04437 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -456,11 +456,11 @@ 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;