rpcrdma_regbuf_is_mapped 1442 net/sunrpc/xprtrdma/verbs.c if (!rpcrdma_regbuf_is_mapped(rb)) rpcrdma_regbuf_is_mapped 530 net/sunrpc/xprtrdma/xprt_rdma.h if (likely(rpcrdma_regbuf_is_mapped(rb)))