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-rw-r--r--lib/swiotlb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index c2fc470b6ed8..5bdeaaea57fd 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -142,8 +142,8 @@ swiotlb_init_with_default_size (size_t default_size)
/*
* Get IO TLB memory from the low pages
*/
- io_tlb_start = alloc_bootmem_low_pages(io_tlb_nslabs *
- (1 << IO_TLB_SHIFT));
+ io_tlb_start = alloc_bootmem_low_pages_limit(io_tlb_nslabs *
+ (1 << IO_TLB_SHIFT), 0x100000000);
if (!io_tlb_start)
panic("Cannot allocate SWIOTLB buffer");
io_tlb_end = io_tlb_start + io_tlb_nslabs * (1 << IO_TLB_SHIFT);

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