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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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10
include/linux/mlx4/device.h
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@@ -837,7 +837,7 @@ static inline int mlx4_is_slave(struct mlx4_dev *dev)
}
int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
struct mlx4_buf *buf);
struct mlx4_buf *buf, gfp_t gfp);
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
@@ -874,9 +874,10 @@ int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
int start_index, int npages, u64 *page_list);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
struct mlx4_buf *buf);
struct mlx4_buf *buf, gfp_t gfp);
int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
gfp_t gfp);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
@@ -892,7 +893,8 @@ void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp);
int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
gfp_t gfp);
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,