net: sock: increase default number of _SK_MEM_PACKETS to 1024

scale these by a factor of 4 to improve socket performance

Signed-off-by: Colin Ian King <colin.i.king@intel.com>

Author: Colin Ian King

include/net/sock.h

@@ -2814,7 +2814,7 @@ void sk_get_meminfo(const struct sock *sk, u32 *meminfo);
  * platforms.  This makes socket queueing behavior and performance
  * not depend upon such differences.
  */
-#define _SK_MEM_PACKETS		256
+#define _SK_MEM_PACKETS		1024
 #define _SK_MEM_OVERHEAD	SKB_TRUESIZE(256)
 #define SK_WMEM_MAX		(_SK_MEM_OVERHEAD * _SK_MEM_PACKETS)
 #define SK_RMEM_MAX		(_SK_MEM_OVERHEAD * _SK_MEM_PACKETS)