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authorIngo Molnar <mingo@kernel.org>2012-08-28 20:05:55 +0400
committerIngo Molnar <mingo@kernel.org>2012-08-28 20:05:55 +0400
commit508dc4f8eece1a70c493afc6511fdf5934fef567 (patch)
treeb852a6a5bf9977a33a87158985de02d188ba71d7 /drivers/net/ethernet/mellanox/mlx4/icm.c
parent734e9a26d612f64e1c9cfd92256969b773954ae2 (diff)
parente3e45c01ae690e65f2650e5288b9af802e95a136 (diff)
downloadlinux-508dc4f8eece1a70c493afc6511fdf5934fef567.tar.xz
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes because upcoming uprobes changes will rely on it. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/icm.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/icm.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c
index 88b7b3e75ab1..daf417923661 100644
--- a/drivers/net/ethernet/mellanox/mlx4/icm.c
+++ b/drivers/net/ethernet/mellanox/mlx4/icm.c
@@ -358,13 +358,14 @@ void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
}
int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
- u64 virt, int obj_size, int nobj, int reserved,
+ u64 virt, int obj_size, u32 nobj, int reserved,
int use_lowmem, int use_coherent)
{
int obj_per_chunk;
int num_icm;
unsigned chunk_size;
int i;
+ u64 size;
obj_per_chunk = MLX4_TABLE_CHUNK_SIZE / obj_size;
num_icm = (nobj + obj_per_chunk - 1) / obj_per_chunk;
@@ -380,10 +381,12 @@ int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
table->coherent = use_coherent;
mutex_init(&table->mutex);
+ size = (u64) nobj * obj_size;
for (i = 0; i * MLX4_TABLE_CHUNK_SIZE < reserved * obj_size; ++i) {
chunk_size = MLX4_TABLE_CHUNK_SIZE;
- if ((i + 1) * MLX4_TABLE_CHUNK_SIZE > nobj * obj_size)
- chunk_size = PAGE_ALIGN(nobj * obj_size - i * MLX4_TABLE_CHUNK_SIZE);
+ if ((i + 1) * MLX4_TABLE_CHUNK_SIZE > size)
+ chunk_size = PAGE_ALIGN(size -
+ i * MLX4_TABLE_CHUNK_SIZE);
table->icm[i] = mlx4_alloc_icm(dev, chunk_size >> PAGE_SHIFT,
(use_lowmem ? GFP_KERNEL : GFP_HIGHUSER) |