* [PATCH] riscv: mm: Use better bitmap_zalloc()
@ 2021-05-29 11:15 Kefeng Wang
2021-06-09 0:12 ` Palmer Dabbelt
0 siblings, 1 reply; 2+ messages in thread
From: Kefeng Wang @ 2021-05-29 11:15 UTC (permalink / raw)
To: linux-riscv; +Cc: Kefeng Wang, Palmer Dabbelt, Paul Walmsley, Palmer Dabbelt
Use better bitmap_zalloc() to allocate bitmap.
Cc: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: linux-riscv@lists.infradead.org
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
arch/riscv/mm/context.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/riscv/mm/context.c b/arch/riscv/mm/context.c
index 83e7ae37675a..2aba0a6343d9 100644
--- a/arch/riscv/mm/context.c
+++ b/arch/riscv/mm/context.c
@@ -243,8 +243,7 @@ static int asids_init(void)
if (num_asids > (2 * num_possible_cpus())) {
atomic_long_set(¤t_version, num_asids);
- context_asid_map = kcalloc(BITS_TO_LONGS(num_asids),
- sizeof(*context_asid_map), GFP_KERNEL);
+ context_asid_map = bitmap_zalloc(num_asids, GFP_KERNEL);
if (!context_asid_map)
panic("Failed to allocate bitmap for %lu ASIDs\n",
num_asids);
--
2.26.2
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] riscv: mm: Use better bitmap_zalloc()
2021-05-29 11:15 [PATCH] riscv: mm: Use better bitmap_zalloc() Kefeng Wang
@ 2021-06-09 0:12 ` Palmer Dabbelt
0 siblings, 0 replies; 2+ messages in thread
From: Palmer Dabbelt @ 2021-06-09 0:12 UTC (permalink / raw)
To: wangkefeng.wang; +Cc: linux-riscv, wangkefeng.wang, Paul Walmsley
On Sat, 29 May 2021 04:15:34 PDT (-0700), wangkefeng.wang@huawei.com wrote:
> Use better bitmap_zalloc() to allocate bitmap.
>
> Cc: Palmer Dabbelt <palmerdabbelt@google.com>
> Cc: Paul Walmsley <paul.walmsley@sifive.com>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: linux-riscv@lists.infradead.org
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
> arch/riscv/mm/context.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/riscv/mm/context.c b/arch/riscv/mm/context.c
> index 83e7ae37675a..2aba0a6343d9 100644
> --- a/arch/riscv/mm/context.c
> +++ b/arch/riscv/mm/context.c
> @@ -243,8 +243,7 @@ static int asids_init(void)
> if (num_asids > (2 * num_possible_cpus())) {
> atomic_long_set(¤t_version, num_asids);
>
> - context_asid_map = kcalloc(BITS_TO_LONGS(num_asids),
> - sizeof(*context_asid_map), GFP_KERNEL);
> + context_asid_map = bitmap_zalloc(num_asids, GFP_KERNEL);
> if (!context_asid_map)
> panic("Failed to allocate bitmap for %lu ASIDs\n",
> num_asids);
Thanks, this is on for-next.
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http://lists.infradead.org/mailman/listinfo/linux-riscv
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2021-05-29 11:15 [PATCH] riscv: mm: Use better bitmap_zalloc() Kefeng Wang
2021-06-09 0:12 ` Palmer Dabbelt
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