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From: Ingo Molnar <mingo@kernel.org>
To: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Mike Rapoport <rppt@kernel.org>,
	David Hildenbrand <david@redhat.com>,
	Michal Hocko <mhocko@suse.com>,
	x86@kernel.org, Andy Lutomirski <luto@kernel.org>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v2] x86/mm: Drop 4MB restriction on minimal NUMA node memory size
Date: Fri, 20 Oct 2023 10:59:33 +0200	[thread overview]
Message-ID: <ZTJBdY7CLhHLeVmh@gmail.com> (raw)
In-Reply-To: <ZTI+aiL/eKGbem6G@gmail.com>


* Ingo Molnar <mingo@kernel.org> wrote:

> > > Mind resubmitting that to the MM folks, with the NULL dereference 
> > > crash mentioned prominently? Feel free to Cc: me.
> > 
> > OK, I will resend it if no one else objects. :)
> 
> Thanks, much appreciated - and I see Andrew already applied your two 
> fixes to -mm.
> 
> With that background I was able to apply the x86 fix as well - which can 
> be backported without the MM changes. The current commit in tip:x86/mm 
> is:
> 
>   a1e2b8b36820 ("x86/mm: Drop the 4 MB restriction on minimal NUMA node memory size")
> 
> Which should hit v6.7 in about ~1.5 weeks, unless there's unexpected 
> problems.

Note that I haven't added a Cc: stable tag, a 17 years old bug is not 
really a regression - but I have no objections against this fix getting 
into -stable once it gains a bit more testing and hits upstream.

Thanks,

	Ingo


  reply	other threads:[~2023-10-20  8:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-17  6:22 [PATCH] x86/mm: drop 4MB restriction on minimal NUMA node size Mike Rapoport
2023-10-17  7:28 ` David Hildenbrand
2023-10-17  7:35   ` David Hildenbrand
2023-10-17  7:52   ` Mike Rapoport
2023-10-18 10:42 ` [PATCH v2] x86/mm: Drop 4MB restriction on minimal NUMA node memory size Ingo Molnar
2023-10-18 12:26   ` Qi Zheng
2023-10-18 12:44     ` Ingo Molnar
2023-10-18 13:20       ` Qi Zheng
2023-10-20  8:46         ` Ingo Molnar
2023-10-20  8:59           ` Ingo Molnar [this message]
2023-10-19  9:35   ` Mike Rapoport
2023-10-18 11:55 ` [PATCH] x86/mm: drop 4MB restriction on minimal NUMA node size Mario Casquero

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