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| author | Eric Dumazet <edumazet@google.com> | 2017-02-18 21:34:18 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-20 18:31:50 +0300 |
| commit | 3608b13ccc51d06e499dfe12b27f134de1286e28 (patch) | |
| tree | 769119cec70d8346762167c79335d677015c02b4 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | b9ef4ab36d23f7332ccd7ba9debc6749cb436288 (diff) | |
| download | linux-3608b13ccc51d06e499dfe12b27f134de1286e28.tar.xz | |
mlx4: reduce OOM risk on arches with large pages
Since mlx4 NIC are used on PowerPC with 64K pages, we need to adapt
MLX4_EN_ALLOC_PREFER_ORDER definition.
Otherwise, a fragment sitting in an out of order TCP queue can hold
0.5 Mbytes and it is a serious OOM risk.
Fixes: 51151a16a60f ("mlx4: allow order-0 memory allocations in RX path")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions