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[PATCH 1/8] powerpc/svm: stop using io_tlb_start

Use the local variable that is passed to swiotlb_init_with_tbl for
freeing the memory in the failure case to isolate the code a little
better from swiotlb internals.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
 arch/powerpc/platforms/pseries/svm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/svm.c 
index 7b739cc7a8a93e..b9968ac7cc0789 100644
--- a/arch/powerpc/platforms/pseries/svm.c
+++ b/arch/powerpc/platforms/pseries/svm.c
@@ -56,7 +56,7 @@ void __init svm_swiotlb_init(void)
        if (io_tlb_start)
-               memblock_free_early(io_tlb_start,
+               memblock_free_early(__pa(vstart),
                                    PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT));
        panic("SVM: Cannot allocate SWIOTLB buffer");



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