Re: [PATCH] mm: swap: Avoid infinite loop if no valid swap entry found during do_swap_page

[mawupeng]

On 2025/2/22 11:45, Matthew Wilcox wrote:
> On Sat, Feb 22, 2025 at 10:46:17AM +0800, Wupeng Ma wrote:
>> Digging into the source, we found that the swap entry is invalid due to
>> unknown reason, and this lead to invalid swap_info_struct. Excessive log
>> printing can fill up the prioritized log space, leading to the purging of
>> originally valid logs and hindering problem troubleshooting. To make this
>> more robust, kill this task.
> 
> this seems like a very bad way to fix this problem

Sure, It's a bad way to fix this. Just a proper way to make it more robust?
Since it will produce lots of invalid and same log?

>