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Sender: Tejun Heo <htejun@gmail.com>
Date:   Thu, 19 Jan 2023 09:03:44 -1000
From:   Tejun Heo <tj@kernel.org>
To:     Li Lingfeng <lilingfeng3@huawei.com>
Cc:     linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
        jack@suse.cz, bingjingc@synology.com, ebiggers@google.com,
        james.smart@broadcom.com, houtao1@huawei.com, yi.zhang@huawei.com,
        yangerkun@huawei.com, yukuai3@huawei.com
Subject: Re: [PATCH-next RESEND v2] lib: parser: optimize match_NUMER apis to
 use local array
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References: <20230111042215.4120156-1-lilingfeng3@huawei.com>
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On Wed, Jan 11, 2023 at 12:22:15PM +0800, Li Lingfeng wrote:
> Memory will be allocated to store substring_t in match_strdup(), which means
> the caller of match_strdup() may need to be scheduled out to wait for reclaiming
> memory.
> 
> Using local array to store substring_t to remove the restriction.
> 
> Link: https://lore.kernel.org/all/20221104023938.2346986-5-yukuai1@huaweicloud.com/
> Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>
> Acked-by: Tejun Heo <tj@kernel.org>

This will fix a sleep-in-atomic in #linus, so it'd be great if we can get it
merged. Can you please apply the suggested changes and repost? I think we
can route this through block too as the current breakage is there. So,
please cc Jens too.

Thanks.

-- 
tejun