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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2023-04-20 21:19:03 +0200
committerJohn Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>2023-04-21 12:38:23 +0200
commit2d60eca501bc70fc73d30a1b151a137c3b990183 (patch)
tree89d43267b8801aa59c1ee2f455943bcb59bdeaea /arch/sh/kernel/cpu/sh4
parent80f746e2bd0e1da3fdb49a53570e54a1a225faac (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/kernel/cpu/sh4')
-rw-r--r--arch/sh/kernel/cpu/sh4/sq.c7
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);
}