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From: Andrew Morton <akpm@linux-foundation.org>
To: Yichong Chen <chenyichong@uniontech.com>
Cc: vishal.moola@gmail.com, ye.liu@linux.dev, zhen.ni@easystack.cn,
	ziy@nvidia.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tools/mm/page_owner_sort: report get_comm failures at source
Date: Mon, 29 Jun 2026 20:33:26 -0700	[thread overview]
Message-ID: <20260629203326.fbd5714e7ec8cbf0a22e7148@linux-foundation.org> (raw)
In-Reply-To: <20260629062546.141659-1-chenyichong@uniontech.com>

On Mon, 29 Jun 2026 14:25:46 +0800 Yichong Chen <chenyichong@uniontech.com> wrote:

> get_comm() clears errno and checks it immediately, without any
> operation that can set errno in between. The check can never be
> true.
> 
> Print the concrete get_comm() failure reason where it is detected,
> and let callers handle a NULL return without guessing the error
> cause.

Thanks.

AI review has an observation:
	https://sashiko.dev/#/patchset/20260629062546.141659-1-chenyichong@uniontech.com


  reply	other threads:[~2026-06-30  3:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-29  1:43 [PATCH v5 0/3] tools/mm/page_owner_sort: fix filtering and cleanup issues Yichong Chen
2026-06-29  1:43 ` [PATCH v5 1/3] tools/mm/page_owner_sort: return explicit filter results Yichong Chen
2026-06-29  1:43 ` [PATCH v5 2/3] tools/mm/page_owner_sort: free per-record allocations Yichong Chen
2026-06-29  1:43 ` [PATCH v5 3/3] tools/mm/page_owner_sort: bound pattern output copies Yichong Chen
2026-06-29  4:41 ` [PATCH v5 0/3] tools/mm/page_owner_sort: fix filtering and cleanup issues Andrew Morton
2026-06-29  6:25 ` [PATCH] tools/mm/page_owner_sort: report get_comm failures at source Yichong Chen
2026-06-30  3:33   ` Andrew Morton [this message]
2026-06-30  5:50     ` Yichong Chen

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