tcp: replace ehash_size by ehash_mask

Storing the mask (size - 1) instead of the size allows fast path to be
a bit faster.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index d522dcf3031a..5f11c4a0daca 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -125,7 +125,7 @@ struct inet_hashinfo {
          */
         struct inet_ehash_bucket        *ehash;
         spinlock_t                      *ehash_locks;
-        unsigned int                    ehash_size;
+        unsigned int                    ehash_mask;
         unsigned int                    ehash_locks_mask;
 
         /* Ok, let's try this, I give up, we do need a local binding
@@ -158,7 +158,7 @@ static inline struct inet_ehash_bucket *inet_ehash_bucket(
         struct inet_hashinfo *hashinfo,
         unsigned int hash)
 {
-        return &hashinfo->ehash[hash & (hashinfo->ehash_size - 1)];
+        return &hashinfo->ehash[hash & hashinfo->ehash_mask];
 }
 
 static inline spinlock_t *inet_ehash_lockp(