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: NEric Dumazet <edumazet@google.com> Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Cc: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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