The maximum size of the authcache is now set to 1024 (10 bits),
but on our server we need at least 4096 (12 bits). Increase
MAX_HASHTABLE_BITS to 14. This is a maximum of 16384 entries,
each containing a pointer (8 bytes on x86_64). This is
exactly the limit of kmalloc() (128K).
Signed-off-by: Miquel van Smoorenburg <mikevs@xxxxxxxxxx>
diff -ruN linux-2.6.36-rc1.orig/net/sunrpc/auth.c linux-2.6.36-rc1/net/sunrpc/auth.c
--- linux-2.6.36-rc1.orig/net/sunrpc/auth.c 2010-08-16 02:41:37.000000000 +0200
+++ linux-2.6.36-rc1/net/sunrpc/auth.c 2010-08-22 17:02:27.896009116 +0200
@@ -38,7 +39,7 @@
static LIST_HEAD(cred_unused);
static unsigned long number_cred_unused;
-#define MAX_HASHTABLE_BITS (10)
+#define MAX_HASHTABLE_BITS (14)
static int param_set_hashtbl_sz(const char *val, const struct kernel_param *kp)
{
unsigned long num;
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