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authorMatteo Croce2021-06-09 19:23:03 +0200
committerDavid S. Miller2021-06-09 15:40:09 -0700
commit4744bf072b4640c5e2ea65c2361ad6c832f28fa8 (patch)
treea444d43c8cd40b99d6f7190b73b23a47abf9ad89 /drivers
parentf3b5a8907543e2c539d09d01a1732826e070d351 (diff)
stmmac: prefetch right address
To support XDP, a headroom is prepended to the packet data. Consider this offset when doing a prefetch. Fixes: da5ec7f22a0f ("net: stmmac: refactor stmmac_init_rx_buffers for stmmac_reinit_rx_buffers") Signed-off-by: Matteo Croce <mcroce@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 1f817b1b890c..180f347b4c8e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -5131,7 +5131,7 @@ read_again:
/* Buffer is good. Go on. */
- prefetch(page_address(buf->page));
+ prefetch(page_address(buf->page) + buf->page_offset);
if (buf->sec_page)
prefetch(page_address(buf->sec_page));