Author: marcel
Date: Mon Nov 23 23:23:05 2009
New Revision: 199723
URL: http://svn.freebsd.org/changeset/base/199723

Log:
  Don't make MJUMPAGESIZE equal to PAGE_SIZE unconditionally.
  When PAGE_SIZE is 16K, MJUMPAGESIZE equals MJUM16BYTES and
  causes build breakages.
  For PAGE_SIZE < 2K, define MJUMPAGESIZE as MCLBYTES.
  For PAGE_SIZE > 8K, define MJUMPAGESIZE as 8K.
  Everywhere inbetween, define MJUMPAGESIZE as PAGE_SIZE.
  
  Thus MCLBYTES <= MJUMPAGESIZE <= 8KB.

Modified:
  head/sys/sys/param.h

Modified: head/sys/sys/param.h
==============================================================================
--- head/sys/sys/param.h        Mon Nov 23 22:28:15 2009        (r199722)
+++ head/sys/sys/param.h        Mon Nov 23 23:23:05 2009        (r199723)
@@ -144,7 +144,14 @@
 
 #define MCLBYTES       (1 << MCLSHIFT) /* size of an mbuf cluster */
 
-#define        MJUMPAGESIZE    PAGE_SIZE       /* jumbo cluster 4k */
+#if PAGE_SIZE < 2048
+#define        MJUMPAGESIZE    MCLBYTES
+#elif PAGE_SIZE <= 8192
+#define        MJUMPAGESIZE    PAGE_SIZE
+#else
+#define        MJUMPAGESIZE    (8 * 1024)
+#endif
+
 #define        MJUM9BYTES      (9 * 1024)      /* jumbo cluster 9k */
 #define        MJUM16BYTES     (16 * 1024)     /* jumbo cluster 16k */
 
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"

Reply via email to