On Thu, Feb 16, 2017 at 7:11 PM, Eric Dumazet <eduma...@google.com> wrote: >> You're admitting that Eric's patches improve driver quality, >> stability, and performance but you're not allowing this in the kernel >> because "we know what benchmarks our customers are going to run". > > Note that I do not particularly care if these patches go in 4.11 or 4.12 > really. > > I already backported them into our 4.3 based kernel. > > I guess that we could at least propose the trivial patch for stable releases, > since PowerPC arches really need it. > > diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h > b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h > index > cec59bc264c9ac197048fd7c98bcd5cf25de0efd..0f6d2f3b7d54f51de359d4ccde21f4585e6b7852 > 100644 > --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h > +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h > @@ -102,7 +102,8 @@ > /* Use the maximum between 16384 and a single page */ > #define MLX4_EN_ALLOC_SIZE PAGE_ALIGN(16384) > > -#define MLX4_EN_ALLOC_PREFER_ORDER PAGE_ALLOC_COSTLY_ORDER > +#define MLX4_EN_ALLOC_PREFER_ORDER min_t(int, get_order(32768), > \ > + PAGE_ALLOC_COSTLY_ORDER) > > /* Receive fragment sizes; we use at most 3 fragments (for 9600 byte MTU > * and 4K allocations) */
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