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octeontx2-af: Use the bitmap API to allocate bitmaps

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Use devm_bitmap_zalloc() instead of hand-writing it.

This also makes the comment "Allocate bitmap for 32 entry mcam" more
explicit because now 32 is really used in the allocation function, instead
of an obscure 'sizeof(long)'.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/24177a9ee7043259448b735263d9cfd6a70e89a4.1669378798.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Christophe JAILLET 2022-11-25 13:23:59 +01:00 committed by Jakub Kicinski
parent b6a0ecaee2
commit 05a7b52ee5
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
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@ -1898,15 +1898,15 @@ int rvu_npc_exact_init(struct rvu *rvu)
table_size = table->mem_table.depth * table->mem_table.ways;
/* Allocate bitmap for 4way 2K table */
table->mem_table.bmap = devm_kcalloc(rvu->dev, BITS_TO_LONGS(table_size),
sizeof(long), GFP_KERNEL);
table->mem_table.bmap = devm_bitmap_zalloc(rvu->dev, table_size,
GFP_KERNEL);
if (!table->mem_table.bmap)
return -ENOMEM;
dev_dbg(rvu->dev, "%s: Allocated bitmap for 4way 2K entry table\n", __func__);
/* Allocate bitmap for 32 entry mcam */
table->cam_table.bmap = devm_kcalloc(rvu->dev, 1, sizeof(long), GFP_KERNEL);
table->cam_table.bmap = devm_bitmap_zalloc(rvu->dev, 32, GFP_KERNEL);
if (!table->cam_table.bmap)
return -ENOMEM;