[v3,01/11] lib/group_cpus: Export group_cpus_evenly()

Message ID 20230228094110.37-2-xieyongji@bytedance.com
State New
Headers
Series VDUSE: Improve performance |

Commit Message

Yongji Xie Feb. 28, 2023, 9:41 a.m. UTC
  Export group_cpus_evenly() so that some modules
can make use of it to group CPUs evenly according
to NUMA and CPU locality.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
---
 lib/group_cpus.c | 1 +
 1 file changed, 1 insertion(+)
  

Comments

Michael S. Tsirkin March 10, 2023, 8:51 a.m. UTC | #1
On Tue, Feb 28, 2023 at 05:41:00PM +0800, Xie Yongji wrote:
> Export group_cpus_evenly() so that some modules
> can make use of it to group CPUs evenly according
> to NUMA and CPU locality.
> 
> Signed-off-by: Xie Yongji <xieyongji@bytedance.com>

Thomas can I get an ack from you pls?
Anyone else?

> ---
>  lib/group_cpus.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/lib/group_cpus.c b/lib/group_cpus.c
> index 9c837a35fef7..aa3f6815bb12 100644
> --- a/lib/group_cpus.c
> +++ b/lib/group_cpus.c
> @@ -426,3 +426,4 @@ struct cpumask *group_cpus_evenly(unsigned int numgrps)
>  	return masks;
>  }
>  #endif /* CONFIG_SMP */
> +EXPORT_SYMBOL_GPL(group_cpus_evenly);
> -- 
> 2.20.1
  
Jason Wang March 16, 2023, 9:31 a.m. UTC | #2
On Tue, Feb 28, 2023 at 5:42 PM Xie Yongji <xieyongji@bytedance.com> wrote:
>
> Export group_cpus_evenly() so that some modules
> can make use of it to group CPUs evenly according
> to NUMA and CPU locality.
>
> Signed-off-by: Xie Yongji <xieyongji@bytedance.com>

Acked-by: Jason Wang <jasowang@redhat.com>

Thanks

> ---
>  lib/group_cpus.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/lib/group_cpus.c b/lib/group_cpus.c
> index 9c837a35fef7..aa3f6815bb12 100644
> --- a/lib/group_cpus.c
> +++ b/lib/group_cpus.c
> @@ -426,3 +426,4 @@ struct cpumask *group_cpus_evenly(unsigned int numgrps)
>         return masks;
>  }
>  #endif /* CONFIG_SMP */
> +EXPORT_SYMBOL_GPL(group_cpus_evenly);
> --
> 2.20.1
>
  

Patch

diff --git a/lib/group_cpus.c b/lib/group_cpus.c
index 9c837a35fef7..aa3f6815bb12 100644
--- a/lib/group_cpus.c
+++ b/lib/group_cpus.c
@@ -426,3 +426,4 @@  struct cpumask *group_cpus_evenly(unsigned int numgrps)
 	return masks;
 }
 #endif /* CONFIG_SMP */
+EXPORT_SYMBOL_GPL(group_cpus_evenly);