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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <8c7fcd35-3b29-4621-b4e1-df0c88a00cba@linaro.org>
Date: Sat, 3 Jan 2026 08:37:41 +0200
From: Eugen Hristev <eugen.hristev@...aro.org>
To: Mike Rapoport <rppt@...nel.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



On 12/29/25 08:58, Mike Rapoport wrote:
> 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?

Yes it would work, but as explained in the other email, it would not go
through memblock API.
We can continue the discussion there

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