linux-kernel - Re: [PATCH v2] DAX: warn when kmem regions are truncated for memory block alignment.

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Message-ID: <Z_b5VsY0S5cihYga@gourry-fedora-PF4VCD3F>
Date: Wed, 9 Apr 2025 18:48:54 -0400
From: Gregory Price <gourry@...rry.net>
To: Alison Schofield <alison.schofield@...el.com>
Cc: linux-cxl@...r.kernel.org, nvdimm@...ts.linux.dev,
	linux-kernel@...r.kernel.org, kernel-team@...a.com,
	dan.j.williams@...el.com, vishal.l.verma@...el.com,
	dave.jiang@...el.com, David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v2] DAX: warn when kmem regions are truncated for memory
 block alignment.

On Wed, Apr 09, 2025 at 03:21:53PM -0700, Alison Schofield wrote:
> Existing unit test 'daxctl-devices.sh' hits this case:
> [   52.547521] kmem dax3.0: DAX region truncated by 62.0 MiB due to alignment
> 
> Tested-by: Alison Schofield <alison.schofield@...el.com>
>

Thanks for testing, good to know there's an existing test for this

will respin w/ Jonathan's recommendations and tags.

~Gregory