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-rw-r--r--sys/i386/include/param.h10
1 files changed, 3 insertions, 7 deletions
diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h
index cc6d991..bac527e 100644
--- a/sys/i386/include/param.h
+++ b/sys/i386/include/param.h
@@ -102,20 +102,16 @@
/*
* Constants related to network buffer management.
- * MCLBYTES must be no larger than CLBYTES (the software page size), and,
- * on machines that exchange pages of input or output buffers with mbuf
- * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
- * of the hardware page size.
+ * MCLBYTES must be no larger than PAGE_SIZE.
*/
#ifndef MSIZE
#define MSIZE 256 /* size of an mbuf */
#endif /* MSIZE */
#ifndef MCLSHIFT
-#define MCLSHIFT 11 /* convert bytes to m_buf clusters */
+#define MCLSHIFT 11 /* convert bytes to mbuf clusters */
#endif /* MCLSHIFT */
-#define MCLBYTES (1 << MCLSHIFT) /* size of an m_buf cluster */
-#define MCLOFSET (MCLBYTES - 1) /* offset within an m_buf cluster */
+#define MCLBYTES (1 << MCLSHIFT) /* size of an mbuf cluster */
/*
* Some macros for units conversion
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