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authorIngo Molnar <mingo@elte.hu>2006-07-03 00:24:59 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 15:27:05 -0700
commit6205120044bb75ca06019491d1aa0e727fdd35be (patch)
tree6e770ddc5a4ac3ff44977fde863046921394863a /net
parenta0f1ccfd8d37457a6d8a9e01acebeefcdfcc306e (diff)
downloadlinux-6205120044bb75ca06019491d1aa0e727fdd35be.tar.bz2
[PATCH] lockdep: fix RT_HASH_LOCK_SZ
On lockdep we have a quite big spinlock_t, so keep the size down. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/route.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 283a72247e5e..2dc6dbb28467 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -210,17 +210,22 @@ struct rt_hash_bucket {
/*
* Instead of using one spinlock for each rt_hash_bucket, we use a table of spinlocks
* The size of this table is a power of two and depends on the number of CPUS.
+ * (on lockdep we have a quite big spinlock_t, so keep the size down there)
*/
-#if NR_CPUS >= 32
-#define RT_HASH_LOCK_SZ 4096
-#elif NR_CPUS >= 16
-#define RT_HASH_LOCK_SZ 2048
-#elif NR_CPUS >= 8
-#define RT_HASH_LOCK_SZ 1024
-#elif NR_CPUS >= 4
-#define RT_HASH_LOCK_SZ 512
+#ifdef CONFIG_LOCKDEP
+# define RT_HASH_LOCK_SZ 256
#else
-#define RT_HASH_LOCK_SZ 256
+# if NR_CPUS >= 32
+# define RT_HASH_LOCK_SZ 4096
+# elif NR_CPUS >= 16
+# define RT_HASH_LOCK_SZ 2048
+# elif NR_CPUS >= 8
+# define RT_HASH_LOCK_SZ 1024
+# elif NR_CPUS >= 4
+# define RT_HASH_LOCK_SZ 512
+# else
+# define RT_HASH_LOCK_SZ 256
+# endif
#endif
static spinlock_t *rt_hash_locks;