Reduce the number of NBUFS slightly for small machines, so that you can

load 2 OSTs into a 64MB UML.  The upper limit is exactly the same as
before.

diff --git a/lustre/include/linux/lustre_net.h b/lustre/include/linux/lustre_net.h
index 41e1b16..b6098e2 100644 (file)
--- a/lustre/include/linux/lustre_net.h
+++ b/lustre/include/linux/lustre_net.h
@@ -56,18 +56,10 @@
 #define MDS_BUFSIZE    (64 * 1024)
 #define MDS_MAXREQSIZE 1024
 
-//#ifdef __arch_um__
-#if 0
-#define OST_NEVENTS    1024
-#define OST_NBUFS      10
-#define OST_BUFSIZE    (64 * 1024)
-#define OST_MAXREQSIZE (8 * 1024)
-#else
 #define OST_NEVENTS    min(num_physpages / 16, 32768UL)
-#define OST_NBUFS      min(OST_NEVENTS / 100, 256UL)
+#define OST_NBUFS      min(OST_NEVENTS / 128, 256UL)
 #define OST_BUFSIZE    ((OST_NEVENTS > 4096UL ? 128 : 64) * 1024)
 #define OST_MAXREQSIZE (8 * 1024)
-#endif
 
 #define CONN_INVALID 1