linux-kernel - Re: [PATCH v6 5/7] ACPI/NUMA: Return memblk modification state from numa_fill

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Date: Tue, 30 Apr 2024 16:14:14 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Robert Richter <rrichter@....com>
CC: "Rafael J. Wysocki" <rafael@...nel.org>, Dave Hansen
	<dave.hansen@...ux.intel.com>, Andy Lutomirski <luto@...nel.org>, "Peter
 Zijlstra" <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo
 Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, <x86@...nel.org>,
	Dan Williams <dan.j.williams@...el.com>, Alison Schofield
	<alison.schofield@...el.com>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-cxl@...r.kernel.org>, "H. Peter Anvin"
	<hpa@...or.com>, Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v6 5/7] ACPI/NUMA: Return memblk modification state from
 numa_fill_memblks()

On Tue, 30 Apr 2024 11:21:58 +0200
Robert Richter <rrichter@....com> wrote:

> When registering a memory range a possibly overlapping memory block
> will be extended instead of creating a new one. If both ranges exactly
> overlap, the blocks remain unchanged and are just reused. The
> information if a memblock was extended is useful for diagnostics.
> 
> Change return code of numa_fill_memblks() to also report if memblocks
> have been modified.
> 
> Link: https://lore.kernel.org/all/ZiqnbD0CB9WUL1zu@aschofie-mobl2/T/#u
> Cc: Alison Schofield <alison.schofield@...el.com>
> Signed-off-by: Robert Richter <rrichter@....com>

Seems correct to me.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>