Re: [RFC][PATCH v2 16/29] mm/show_mem: Annotate static information into Kmemdump

[David Hildenbrand]

On 24.07.25 15:54, Eugen Hristev wrote:
> Annotate vital static information into kmemdump:
>   - _totalram_pages
>
> Information on these variables is stored into dedicated kmemdump section.
>
> Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxx>
> ---
>   mm/show_mem.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/mm/show_mem.c b/mm/show_mem.c
> index 41999e94a56d..93a5dc041ae1 100644
> --- a/mm/show_mem.c
> +++ b/mm/show_mem.c
> @@ -14,12 +14,14 @@
>   #include <linux/mmzone.h>
>   #include <linux/swap.h>
>   #include <linux/vmstat.h>
> +#include <linux/kmemdump.h>
>   
>   #include "internal.h"
>   #include "swap.h"
>   
>   atomic_long_t _totalram_pages __read_mostly;
>   EXPORT_SYMBOL(_totalram_pages);
> +KMEMDUMP_VAR_CORE(_totalram_pages, sizeof(_totalram_pages));

Tagging these variables that way is really rather ... controversial.

As these are exported globals, isn't there a way to have a list of what 
to include and what not somewhere else?

Not sure if any of that would win a beauty price, though.

--
Cheers,

David / dhildenb