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-rw-r--r--sys/sys/buf.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/sys/buf.h b/sys/sys/buf.h
index 359be84af143..a561aaa509cc 100644
--- a/sys/sys/buf.h
+++ b/sys/sys/buf.h
@@ -483,6 +483,10 @@ extern int maxswzone; /* Max KVA for swap structures */
extern int maxbcache; /* Max KVA for buffer cache */
extern int runningbufspace;
extern int hibufspace;
+extern int dirtybufthresh;
+extern int bdwriteskip;
+extern int dirtybufferflushes;
+extern int altbufferflushes;
extern int buf_maxio; /* nominal maximum I/O for buffer */
extern struct buf *buf; /* The buffer headers. */
extern char *buffers; /* The buffer contents. */