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

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Message-ID: <aVImhhgEsHInebeh@kernel.org>
Date: Mon, 29 Dec 2025 08:58:14 +0200
From: Mike Rapoport <rppt@...nel.org>
To: Eugen Hristev <eugen.hristev@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, tglx@...utronix.de, andersson@...nel.org,
	pmladek@...e.com, rdunlap@...radead.org, corbet@....net,
	david@...hat.com, mhocko@...e.com, tudor.ambarus@...aro.org,
	mukesh.ojha@....qualcomm.com, linux-arm-kernel@...ts.infradead.org,
	linux-hardening@...r.kernel.org, jonechou@...gle.com,
	rostedt@...dmis.org, linux-doc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-remoteproc@...r.kernel.org,
	linux-arch@...r.kernel.org, tony.luck@...el.com, kees@...nel.org
Subject: Re: [PATCH 19/26] mm/numa: Register information into meminspect

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@...aro.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.