[PATCH 3/5] octeontx2-af: Use the bitmap API to allocate bitmaps
From: Christophe JAILLET <hidden>
Date: 2022-11-25 12:24:26
Also in:
kernel-janitors, lkml
Subsystem:
marvell octeontx2 rvu admin function driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Ratheesh Kannoth, Geetha sowjanya, Subbaraya Sundeep, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
index c584680f2d2b..3f94b620ef5a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c@@ -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;
--
2.34.1