diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-04-20 21:19:03 +0200 |
|---|---|---|
| committer | John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> | 2023-04-21 12:38:23 +0200 |
| commit | 2d60eca501bc70fc73d30a1b151a137c3b990183 (patch) | |
| tree | 89d43267b8801aa59c1ee2f455943bcb59bdeaea /arch/sh | |
| parent | 80f746e2bd0e1da3fdb49a53570e54a1a225faac (diff) | |
sh: sq: Use the bitmap API when applicable
Using the bitmap API is less verbose than hand writing it.
It also improves the semantic.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/a51e9f32c19a007f4922943282cb12c89064440d.1681671848.git.christophe.jaillet@wanadoo.fr
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/sq.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 6e0bb3f47fa5..d289e99dc118 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -372,7 +372,6 @@ static struct subsys_interface sq_interface = { static int __init sq_api_init(void) { unsigned int nr_pages = 0x04000000 >> PAGE_SHIFT; - unsigned int size = (nr_pages + (BITS_PER_LONG - 1)) / BITS_PER_LONG; int ret = -ENOMEM; printk(KERN_NOTICE "sq: Registering store queue API.\n"); @@ -382,7 +381,7 @@ static int __init sq_api_init(void) if (unlikely(!sq_cache)) return ret; - sq_bitmap = kcalloc(size, sizeof(long), GFP_KERNEL); + sq_bitmap = bitmap_zalloc(nr_pages, GFP_KERNEL); if (unlikely(!sq_bitmap)) goto out; @@ -393,7 +392,7 @@ static int __init sq_api_init(void) return 0; out: - kfree(sq_bitmap); + bitmap_free(sq_bitmap); kmem_cache_destroy(sq_cache); return ret; @@ -402,7 +401,7 @@ out: static void __exit sq_api_exit(void) { subsys_interface_unregister(&sq_interface); - kfree(sq_bitmap); + bitmap_free(sq_bitmap); kmem_cache_destroy(sq_cache); } |