Re: [PATCH] memory tier, sysfs: rename attribute "nodes" to "nodelist"

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Acked-by: Wei Xu <weixugc@xxxxxxxxxx>

On Wed, Oct 19, 2022 at 6:51 PM Huang Ying <ying.huang@xxxxxxxxx> wrote:
>
> In sysfs, we use attribute name "cpumap" or "cpus" for cpu mask and
> "cpulist" or "cpus_list" for cpu list.  For example, in my system,
>
>  $ cat /sys/devices/system/node/node0/cpumap
>  f,ffffffff
>  $ cat /sys/devices/system/cpu/cpu2/topology/core_cpus
>  0,00100004
>  $ cat cat /sys/devices/system/node/node0/cpulist
>  0-35
>  $ cat /sys/devices/system/cpu/cpu2/topology/core_cpus_list
>  2,20
>
> It looks reasonable to use "nodemap" for node mask and "nodelist" for
> node list.  So, rename the attribute to follow the naming convention.
>
> Signed-off-by: "Huang, Ying" <ying.huang@xxxxxxxxx>
> Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
> Cc: Alistair Popple <apopple@xxxxxxxxxx>
> Cc: Bharata B Rao <bharata@xxxxxxx>
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
> Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
> Cc: Hesham Almatary <hesham.almatary@xxxxxxxxxx>
> Cc: Jagdish Gediya <jvgediya.oss@xxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxxxx>
> Cc: Tim Chen <tim.c.chen@xxxxxxxxx>
> Cc: Wei Xu <weixugc@xxxxxxxxxx>
> Cc: Yang Shi <shy828301@xxxxxxxxx>
> ---
>  Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers | 4 ++--
>  mm/memory-tiers.c                                      | 8 ++++----
>  2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers b/Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers
> index 45985e411f13..721a05b90109 100644
> --- a/Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers
> +++ b/Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers
> @@ -10,7 +10,7 @@ Description:  A collection of all the memory tiers allocated.
>
>
>  What:          /sys/devices/virtual/memory_tiering/memory_tierN/
> -               /sys/devices/virtual/memory_tiering/memory_tierN/nodes
> +               /sys/devices/virtual/memory_tiering/memory_tierN/nodelist
>  Date:          August 2022
>  Contact:       Linux memory management mailing list <linux-mm@xxxxxxxxx>
>  Description:   Directory with details of a specific memory tier
> @@ -21,5 +21,5 @@ Description:  Directory with details of a specific memory tier
>                 A smaller value of N implies a higher (faster) memory tier in the
>                 hierarchy.
>
> -               nodes: NUMA nodes that are part of this memory tier.
> +               nodelist: NUMA nodes that are part of this memory tier.
>
> diff --git a/mm/memory-tiers.c b/mm/memory-tiers.c
> index f116b7b6333e..fa8c9d07f9ce 100644
> --- a/mm/memory-tiers.c
> +++ b/mm/memory-tiers.c
> @@ -131,8 +131,8 @@ static void memory_tier_device_release(struct device *dev)
>         kfree(tier);
>  }
>
> -static ssize_t nodes_show(struct device *dev,
> -                         struct device_attribute *attr, char *buf)
> +static ssize_t nodelist_show(struct device *dev,
> +                            struct device_attribute *attr, char *buf)
>  {
>         int ret;
>         nodemask_t nmask;
> @@ -143,10 +143,10 @@ static ssize_t nodes_show(struct device *dev,
>         mutex_unlock(&memory_tier_lock);
>         return ret;
>  }
> -static DEVICE_ATTR_RO(nodes);
> +static DEVICE_ATTR_RO(nodelist);
>
>  static struct attribute *memtier_dev_attrs[] = {
> -       &dev_attr_nodes.attr,
> +       &dev_attr_nodelist.attr,
>         NULL
>  };
>
> --
> 2.35.1
>




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