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-rw-r--r--drivers/xen/swiotlb-xen.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 9c9ba500ef23..c0c38672fee3 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -230,10 +230,11 @@ retry:
/*
* Get IO TLB memory from any location.
*/
- start = memblock_alloc(PAGE_ALIGN(bytes), PAGE_SIZE);
+ start = memblock_alloc(PAGE_ALIGN(bytes),
+ IO_TLB_SEGSIZE << IO_TLB_SHIFT);
if (!start)
- panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
- __func__, PAGE_ALIGN(bytes), PAGE_SIZE);
+ panic("%s: Failed to allocate %lu bytes\n",
+ __func__, PAGE_ALIGN(bytes));
/*
* And replace that memory with pages under 4GB.