r8152: reduce the number of Tx

Because the Tx has the features of stopping queue and aggregation,
We don't need many tx buffers. Change the tx number from 10 to 4
to reduce the usage of the memory. This could save 16K * 6 bytes
memory.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 33dcc975c62db827cc95805e52ad1654dce76ede..cc64dc0ba6fc5dc1ea2635c219f784cbf281482a 100644 (file)
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -424,7 +424,7 @@ enum rtl_register_content {
        FULL_DUP        = 0x01,
 };
 
-#define RTL8152_MAX_TX         10
+#define RTL8152_MAX_TX         4
 #define RTL8152_MAX_RX         10
 #define INTBUFSIZE             2
 #define CRC_SIZE               4