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SubjectRe: [PATCH] mm/page-writeback.c: avoid potential division by zero
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> On Jan 1, 2020, at 10:57 PM, Wen Yang <wenyang@linux.alibaba.com> wrote:
>
> This issue was introduced by commit 693108a8a667 (“writeback: make bdi->min/max_ratio handling cgroup writeback aware”).

Okay, this needs a Fixes tag then, and Cc the relevant people, i.e., Tejun and Jens at least.

>
> Finally, we will summarize the above cases and plan to write a general coccinelle rule to check for similar problems.

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