linux-kernel - Re: [PATCH] mm/filemap: Adding missing mem_cgroup_uncharge() to __add_to_page_cache

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Message-ID: <1b643acd-920a-665e-5ebe-e7413be381da@redhat.com>
Date:   Mon, 25 Jan 2021 18:13:22 -0500
From:   Waiman Long <longman@...hat.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Miaohe Lin <linmiaohe@...wei.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Johannes Weiner <hannes@...xchg.org>,
        Alex Shi <alex.shi@...ux.alibaba.com>
Subject: Re: [PATCH] mm/filemap: Adding missing mem_cgroup_uncharge() to
 __add_to_page_cache_locked()

On 1/25/21 6:11 PM, Andrew Morton wrote:
> On Mon, 25 Jan 2021 09:12:56 -0500 Waiman Long <longman@...hat.com> wrote:
>
>> Yes, this patch should go to stable. I think the stable tree maintainers
>> will automatically pick up patches with the "Fixes" tag. That is why I
>> don't explicitly put a "cc:stable" line in the patch.
> No.  Both the Fixes: and the cc:stable are needed for the backport.
> Because sometimes we fix things but don't consider the fix important
> enough to risk the backport.
>
I see. Thanks for the clarification. I will keep that in mind next time.

Cheers,
Longman