Re: [PATCH 19/26] mm/numa: Register information into meminspect

Mike Rapoport
2025-12-29T06:58:25Z

Hi Eugen,

On Wed, Nov 19, 2025 at 05:44:20PM +0200, Eugen Hristev wrote:
> Register dynamic information into meminspect:
> - dynamic node data for each node
>
> This information is being allocated for each node, as physical address,
> so call memblock_mark_inspect that will mark the block accordingly.
>
> Signed-off-by: Eugen Hristev <eugen.hristev@linaro.org>
> ---
> mm/numa.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/mm/numa.c b/mm/numa.c
> index 7d5e06fe5bd4..379065dd633e 100644
> --- a/mm/numa.c
> +++ b/mm/numa.c
> @@ -4,6 +4,7 @@
> #include <linux/printk.h>
> #include <linux/numa.h>
> #include <linux/numa_memblks.h>
> +#include <linux/meminspect.h>
>
> struct pglist_data *node_data[MAX_NUMNODES];
> EXPORT_SYMBOL(node_data);
> @@ -20,6 +21,7 @@ void __init alloc_node_data(int nid)
> if (!nd_pa)
> panic("Cannot allocate %zu bytes for node %d data\n",
> nd_size, nid);
> + memblock_mark_inspect(nd_pa, nd_size);

Won't plain meminspect_register_pa() work here?

> /* report and initialize */
> pr_info("NODE_DATA(%d) allocated [mem %#010Lx-%#010Lx]\n", nid,
> --
> 2.43.0
>

--
Sincerely yours,
Mike.