[IPSEC] flow: reorder "struct flow_cache_entry" and remove SLAB_HWCACHE_ALIGN

1) We can shrink sizeof(struct flow_cache_entry) by 8 bytes on 64bit arches.
2) No need to align these structures to hardware cache lines, this only waste
   ram for very litle gain.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/flow.c b/net/core/flow.c
index 9cfe84571ca55554284ac617478333f2d3ba26d4..a77531c139b7d85dbb6f11297d7cea363acd7074 100644 (file)
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -30,8 +30,8 @@ struct flow_cache_entry {
        struct flow_cache_entry *next;
        u16                     family;
        u8                      dir;
-       struct flowi            key;
        u32                     genid;
+       struct flowi            key;
        void                    *object;
        atomic_t                *object_ref;
 };
@@ -346,7 +346,7 @@ static int __init flow_cache_init(void)
 
        flow_cachep = kmem_cache_create("flow_cache",
                                        sizeof(struct flow_cache_entry),
-                                       0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
+                                       0, SLAB_PANIC,
                                        NULL);
        flow_hash_shift = 10;
        flow_lwm = 2 * flow_hash_size;