diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-07-03 00:24:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 15:27:05 -0700 |
| commit | 6205120044bb75ca06019491d1aa0e727fdd35be (patch) | |
| tree | 6e770ddc5a4ac3ff44977fde863046921394863a /net | |
| parent | a0f1ccfd8d37457a6d8a9e01acebeefcdfcc306e (diff) | |
| download | op-kernel-dev-6205120044bb75ca06019491d1aa0e727fdd35be.zip op-kernel-dev-6205120044bb75ca06019491d1aa0e727fdd35be.tar.gz | |
[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.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 283a722..2dc6dbb 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; |
