Commit dceeab0e authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller

mlx4: support __GFP_MEMALLOC for rx

Commit 04aeb56a ("net/mlx4_en: allocate non 0-order pages for RX
ring with __GFP_NOMEMALLOC") added code that appears to be not needed at
that time, since mlx4 never used __GFP_MEMALLOC allocations anyway.

As using memory reserves is a must in some situations (swap over NFS or
iSCSI), this patch adds this flag.

Note that this driver does not reuse pages (yet) so we do not have to
add anything else.
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8a43c052
...@@ -706,7 +706,8 @@ static bool mlx4_en_refill_rx_buffers(struct mlx4_en_priv *priv, ...@@ -706,7 +706,8 @@ static bool mlx4_en_refill_rx_buffers(struct mlx4_en_priv *priv,
do { do {
if (mlx4_en_prepare_rx_desc(priv, ring, if (mlx4_en_prepare_rx_desc(priv, ring,
ring->prod & ring->size_mask, ring->prod & ring->size_mask,
GFP_ATOMIC | __GFP_COLD)) GFP_ATOMIC | __GFP_COLD |
__GFP_MEMALLOC))
break; break;
ring->prod++; ring->prod++;
} while (--missing); } while (--missing);
......
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