From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Sunny Patel <nueralspacetech@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Zi Yan <ziy@nvidia.com>, Matthew Brost <matthew.brost@intel.com>,
Joshua Hahn <joshua.hahnjy@gmail.com>,
Rakie Kim <rakie.kim@sk.com>, Byungchul Park <byungchul@sk.com>,
Gregory Price <gourry@gourry.net>,
Ying Huang <ying.huang@linux.alibaba.com>,
Alistair Popple <apopple@nvidia.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] mm/migrate_device: Cleanup up PMD Checks and warnings
Date: Mon, 20 Apr 2026 21:33:02 +0200 [thread overview]
Message-ID: <ab6ff538-2829-4308-b805-888e566e33ec@kernel.org> (raw)
In-Reply-To: <20260419174747.10701-1-nueralspacetech@gmail.com>
On 4/19/26 19:47, Sunny Patel wrote:
> Remove the odd VM_WARN_ON_FOLIO(!folio, folio) usage and replace it
> with a simpler VM_WARN_ON_ONCE(!folio) check.
>
> Drop the redundant VM_WARN_ON_ONCE(!pmd_none(*pmdp) &&
> !is_huge_zero_pmd(*pmdp)).
>
> Refactor the PMD checks, making the control flow
> clearer and avoiding duplicate condition checks.
>
> Signed-off-by: Sunny Patel <nueralspacetech@gmail.com>
> ---
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
--
Cheers,
David
prev parent reply other threads:[~2026-04-20 19:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-19 17:47 Sunny Patel
2026-04-19 17:50 ` Zi Yan
2026-04-20 8:01 ` Huang, Ying
2026-04-20 19:33 ` David Hildenbrand (Arm) [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ab6ff538-2829-4308-b805-888e566e33ec@kernel.org \
--to=david@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=apopple@nvidia.com \
--cc=byungchul@sk.com \
--cc=gourry@gourry.net \
--cc=joshua.hahnjy@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=matthew.brost@intel.com \
--cc=nueralspacetech@gmail.com \
--cc=rakie.kim@sk.com \
--cc=ying.huang@linux.alibaba.com \
--cc=ziy@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox