Re: [PATCH v2 1/4] meminfo: add a per node counter for balloon drivers
From: Andrew Morton
Date: Fri Mar 14 2025 - 21:06:38 EST
On Fri, 14 Mar 2025 15:37:54 -0600 Nico Pache <npache@xxxxxxxxxx> wrote:
> Add NR_BALLOON_PAGES counter to track memory used by balloon drivers and
> expose it through /proc/meminfo and other memory reporting interfaces.
>
> ...
>
> --- a/fs/proc/meminfo.c
> +++ b/fs/proc/meminfo.c
> @@ -162,6 +162,8 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
> show_val_kb(m, "Unaccepted: ",
> global_zone_page_state(NR_UNACCEPTED));
> #endif
> + show_val_kb(m, "Balloon: ",
> + global_node_page_state(NR_BALLOON_PAGES));
Please update Documentation/filesystems/proc.rst for this.