Re: [PATCH v3 11/26] mm/swapfile: Annotate static information into meminspect
From: Lorenzo Stoakes
Date: Wed Jul 08 2026 - 03:57:01 EST
On Wed, Jul 08, 2026 at 11:01:50AM +0530, Mukesh Ojha wrote:
> From: Eugen Hristev <ehristev@xxxxxxxxxx>
>
> Annotate vital static information into inspection table:
> - nr_swapfiles
>
> Information on these variables is stored in a dedicated meminspect
> section.
>
> Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxx>
> Signed-off-by: Mukesh Ojha <mukesh.ojha@xxxxxxxxxxxxxxxx>
> ---
> mm/swapfile.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/mm/swapfile.c b/mm/swapfile.c
> index a602e5820513..d480727e4987 100644
> --- a/mm/swapfile.c
> +++ b/mm/swapfile.c
> @@ -42,6 +42,7 @@
> #include <linux/suspend.h>
> #include <linux/zswap.h>
> #include <linux/plist.h>
> +#include <linux/meminspect.h>
>
> #include <asm/tlbflush.h>
> #include <linux/leafops.h>
> @@ -65,6 +66,7 @@ static void move_cluster(struct swap_info_struct *si,
> */
> static DEFINE_SPINLOCK(swap_lock);
> static unsigned int nr_swapfiles;
> +MEMINSPECT_SIMPLE_ENTRY(nr_swapfiles);
Now the EXPORT_SYMBOL_GPL() is an EXPORT_SYMBOL() in effect no?
> atomic_long_t nr_swap_pages;
> /*
> * Some modules use swappable objects and may try to swap them out under
>
> --
> 2.53.0
>