Re: [PATCH] mm/page_io: Use pr_alert_ratelimited for swap read/write errors

[Minchan Kim]

On Mon, Feb 01, 2021 at 04:20:55PM +0200, Georgi Djakov wrote:
> If there are errors during swap read or write, they can easily fill
> the log buffer and remove any previous messages that might be useful
> for debugging, especially on systems that rely for logging only on
> the kernel ring-buffer.
> 
> For example, on a systems using zram as swap, we are more likely to
> see any page allocation errors preceding the swap write errors if the
> alerts are ratelimited.
> 
> Signed-off-by: Georgi Djakov <georgi.djakov@xxxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>