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IB/mlx4: Implement IB_QP_CREATE_USE_GFP_NOIO

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Modify the various routines used to allocate memory resources which
serve QPs in mlx4 to get an input GFP directive.  Have the Ethernet
driver to use GFP_KERNEL in it's QP allocations as done prior to this
commit, and the IB driver to use GFP_NOIO when the IB verbs
IB_QP_CREATE_USE_GFP_NOIO QP creation flag is provided.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Jiri Kosina
2014-05-11 15:15:12 +03:00
committed by Roland Dreier
parent 09b93088d7
commit 40f2287bd5
16 changed files with 82 additions and 70 deletions
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17
drivers/net/ethernet/mellanox/mlx4/mr.c
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@@ -364,14 +364,14 @@ static void mlx4_mpt_release(struct mlx4_dev *dev, u32 index)
__mlx4_mpt_release(dev, index);
}
int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)
int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp)
{
struct mlx4_mr_table *mr_table = &mlx4_priv(dev)->mr_table;
return mlx4_table_get(dev, &mr_table->dmpt_table, index);
return mlx4_table_get(dev, &mr_table->dmpt_table, index, gfp);
}
static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)
static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp)
{
u64 param = 0;
@@ -382,7 +382,7 @@ static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)
MLX4_CMD_TIME_CLASS_A,
MLX4_CMD_WRAPPED);
}
return __mlx4_mpt_alloc_icm(dev, index);
return __mlx4_mpt_alloc_icm(dev, index, gfp);
}
void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index)
@@ -469,7 +469,7 @@ int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr)
struct mlx4_mpt_entry *mpt_entry;
int err;
err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mr->key));
err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mr->key), GFP_KERNEL);
if (err)
return err;
@@ -627,13 +627,14 @@ int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
EXPORT_SYMBOL_GPL(mlx4_write_mtt);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
struct mlx4_buf *buf)
struct mlx4_buf *buf, gfp_t gfp)
{
u64 *page_list;
int err;
int i;
page_list = kmalloc(buf->npages * sizeof *page_list, GFP_KERNEL);
page_list = kmalloc(buf->npages * sizeof *page_list,
gfp);
if (!page_list)
return -ENOMEM;
@@ -680,7 +681,7 @@ int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw)
struct mlx4_mpt_entry *mpt_entry;
int err;
err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mw->key));
err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mw->key), GFP_KERNEL);
if (err)
return err;