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charset="utf-8" It was introduced by 4035b43da6da ("xen-swiotlb: remove xen_set_nslabs") and then not removed by 2d29960af0be ("swiotlb: dynamically allocate io_tlb_default_mem"). Signed-off-by: Jan Beulich Reviewed-by: Christoph Hellwig Reviewed-by: Stefano Stabellini --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -152,8 +152,6 @@ static const char *xen_swiotlb_error(enu return ""; } =20 -#define DEFAULT_NSLABS ALIGN(SZ_64M >> IO_TLB_SHIFT, IO_TLB_SEGSIZE) - int xen_swiotlb_init(void) { enum xen_swiotlb_err m_ret =3D XEN_SWIOTLB_UNKNOWN;