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Diffstat (limited to 'drivers/infiniband/hw/hfi1/user_exp_rcv.h')
-rw-r--r--drivers/infiniband/hw/hfi1/user_exp_rcv.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.h b/drivers/infiniband/hw/hfi1/user_exp_rcv.h
index 332abb446861..d45c7b6988d4 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.h
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.h
@@ -1,6 +1,7 @@
#ifndef _HFI1_USER_EXP_RCV_H
#define _HFI1_USER_EXP_RCV_H
/*
+ * Copyright(c) 2020 - Cornelis Networks, Inc.
* Copyright(c) 2015 - 2017 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
@@ -95,4 +96,9 @@ int hfi1_user_exp_rcv_clear(struct hfi1_filedata *fd,
int hfi1_user_exp_rcv_invalid(struct hfi1_filedata *fd,
struct hfi1_tid_info *tinfo);
+static inline struct mm_struct *mm_from_tid_node(struct tid_rb_node *node)
+{
+ return node->notifier.mm;
+}
+
#endif /* _HFI1_USER_EXP_RCV_H */