diff mbox series

net/mlx5: Use the bitmap API to allocate bitmaps

Message ID ca036ba3d0c2ee307e1d8cc94aaaab1686ebf1c9.1657456513.git.christophe.jaillet@wanadoo.fr (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series net/mlx5: Use the bitmap API to allocate bitmaps | expand

Checks

Context Check Description
netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: kliteyn@nvidia.com erezsh@mellanox.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: line length of 84 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Christophe JAILLET July 10, 2022, 12:36 p.m. UTC 
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.

It is less verbose and it improves the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 .../net/ethernet/mellanox/mlx5/core/lib/dm.c  | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

Comments

Saeed Mahameed July 13, 2022, 10:23 p.m. UTC | #1 
On 10 Jul 14:36, Christophe JAILLET wrote:
>Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.
>
>It is less verbose and it improves the semantic.
>
>Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

applied to net-next-mlx5
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
index 7e02cbe8c3b9..9482e51ac82a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
@@ -38,8 +38,7 @@  struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
 			    MLX5_LOG_SW_ICM_BLOCK_SIZE(dev));
 
 		dm->steering_sw_icm_alloc_blocks =
-			kcalloc(BITS_TO_LONGS(steering_icm_blocks),
-				sizeof(unsigned long), GFP_KERNEL);
+			bitmap_zalloc(steering_icm_blocks, GFP_KERNEL);
 		if (!dm->steering_sw_icm_alloc_blocks)
 			goto err_steering;
 	}
@@ -50,8 +49,7 @@  struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
 			    MLX5_LOG_SW_ICM_BLOCK_SIZE(dev));
 
 		dm->header_modify_sw_icm_alloc_blocks =
-			kcalloc(BITS_TO_LONGS(header_modify_icm_blocks),
-				sizeof(unsigned long), GFP_KERNEL);
+			bitmap_zalloc(header_modify_icm_blocks, GFP_KERNEL);
 		if (!dm->header_modify_sw_icm_alloc_blocks)
 			goto err_modify_hdr;
 	}
@@ -66,8 +64,7 @@  struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
 			    MLX5_LOG_SW_ICM_BLOCK_SIZE(dev));
 
 		dm->header_modify_pattern_sw_icm_alloc_blocks =
-			kcalloc(BITS_TO_LONGS(header_modify_pattern_icm_blocks),
-				sizeof(unsigned long), GFP_KERNEL);
+			bitmap_zalloc(header_modify_pattern_icm_blocks, GFP_KERNEL);
 		if (!dm->header_modify_pattern_sw_icm_alloc_blocks)
 			goto err_pattern;
 	}
@@ -75,10 +72,10 @@  struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
 	return dm;
 
 err_pattern:
-	kfree(dm->header_modify_sw_icm_alloc_blocks);
+	bitmap_free(dm->header_modify_sw_icm_alloc_blocks);
 
 err_modify_hdr:
-	kfree(dm->steering_sw_icm_alloc_blocks);
+	bitmap_free(dm->steering_sw_icm_alloc_blocks);
 
 err_steering:
 	kfree(dm);
@@ -97,7 +94,7 @@  void mlx5_dm_cleanup(struct mlx5_core_dev *dev)
 		WARN_ON(!bitmap_empty(dm->steering_sw_icm_alloc_blocks,
 				      BIT(MLX5_CAP_DEV_MEM(dev, log_steering_sw_icm_size) -
 					  MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))));
-		kfree(dm->steering_sw_icm_alloc_blocks);
+		bitmap_free(dm->steering_sw_icm_alloc_blocks);
 	}
 
 	if (dm->header_modify_sw_icm_alloc_blocks) {
@@ -105,7 +102,7 @@  void mlx5_dm_cleanup(struct mlx5_core_dev *dev)
 				      BIT(MLX5_CAP_DEV_MEM(dev,
 							   log_header_modify_sw_icm_size) -
 				      MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))));
-		kfree(dm->header_modify_sw_icm_alloc_blocks);
+		bitmap_free(dm->header_modify_sw_icm_alloc_blocks);
 	}
 
 	if (dm->header_modify_pattern_sw_icm_alloc_blocks) {
@@ -113,7 +110,7 @@  void mlx5_dm_cleanup(struct mlx5_core_dev *dev)
 				      BIT(MLX5_CAP_DEV_MEM(dev,
 							   log_header_modify_pattern_sw_icm_size) -
 					  MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))));
-		kfree(dm->header_modify_pattern_sw_icm_alloc_blocks);
+		bitmap_free(dm->header_modify_pattern_sw_icm_alloc_blocks);
 	}
 
 	kfree(dm);