linux-kernel - Re: [PATCH v3] mm/memory-failure: remove the selection of RAS

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Message-ID: <8567d8c5-e864-8f84-7805-c004698e72d7@huawei.com>
Date: Fri, 21 Nov 2025 15:39:05 +0800
From: Miaohe Lin <linmiaohe@...wei.com>
To: Xie Yuanbin <xieyuanbin1@...wei.com>
CC: <linux-kernel@...r.kernel.org>, <linux-edac@...r.kernel.org>,
	<linux-mm@...ck.org>, <linux-trace-kernel@...r.kernel.org>,
	<will@...nel.org>, <liaohua4@...wei.com>, <lilinjie8@...wei.com>,
	<david@...hat.com>, <tony.luck@...el.com>, <bp@...en8.de>,
	<nao.horiguchi@...il.com>, <rostedt@...dmis.org>, <mhiramat@...nel.org>,
	<mathieu.desnoyers@...icios.com>, <akpm@...ux-foundation.org>,
	<david@...nel.org>, <lorenzo.stoakes@...cle.com>, <Liam.Howlett@...cle.com>,
	<vbabka@...e.cz>, <rppt@...nel.org>, <surenb@...gle.com>, <mhocko@...e.com>
Subject: Re: [PATCH v3] mm/memory-failure: remove the selection of RAS

On 2025/11/19 17:59, Xie Yuanbin wrote:
> The commit 97f0b13452198290799f ("tracing: add trace event for
> memory-failure") introduces the selection of RAS in memory-failure.
> This commit is just a tracing feature; in reality, there is no dependency
> between memory-failure and RAS. RAS increases the size of the bzImage
> image by 8k, which is very valuable for embedded devices.
> 
> Move the memory-failure traceing code from ras_event.h to
> memory-failure.h and remove the selection of RAS.
> 
> v2->v3: https://lore.kernel.org/20251104072306.100738-3-xieyuanbin1@huawei.com
>   - Change define TRACE_SYSTEM from ras to memory_failure
>   - Add include/trace/events/memory-failure.h to
>     "HWPOISON MEMORY FAILURE HANDLING" section in MAINTAINERS
>   - Rebase to latest linux-next source
> 
> v1->v2: https://lore.kernel.org/20251103033536.52234-2-xieyuanbin1@huawei.com
>   - Move the memory-failure traceing code from ras_event.h to
>     memory-failure.h
> 
> Signed-off-by: Xie Yuanbin <xieyuanbin1@...wei.com>
> Cc: David Hildenbrand (Red Hat) <david@...nel.org>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Miaohe Lin <linmiaohe@...wei.com>

LGTM. With David's comment addressed,

Acked-by: Miaohe Lin <linmiaohe@...wei.com>

Thanks.
.