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-rw-r--r--sys/uvm/uvm_swap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/uvm/uvm_swap.c b/sys/uvm/uvm_swap.c
index 4922235b6f0..78e066c3f53 100644
--- a/sys/uvm/uvm_swap.c
+++ b/sys/uvm/uvm_swap.c
@@ -1961,6 +1961,9 @@ uvm_swap_io(struct vm_page **pps, int startslot, int npages, int flags)
*/
bp->b_cflags = BC_BUSY | BC_NOCACHE;
+#ifdef LOCKDOC_VFS
+ lockdoc_log_lock(P_WRITE, &(bp->b_cflags), __FILE__, __LINE__, __func__, "b_cflags", 0);
+#endif
bp->b_flags = (flags & (B_READ|B_ASYNC));
bp->b_proc = &proc0; /* XXX */
bp->b_vnbufs.le_next = NOLIST;