Re: Zram writeback feature unstable with heavy swap utilization - BUG: Bad page state in process...
From: Sergey Senozhatsky
Date: Wed Jul 25 2018 - 00:08:07 EST
On (07/24/18 19:51), Matthew Wilcox wrote:
>
> Also note that this is in the allocation path; this flag isn't checked
> at free. But it is cleared on free, so someone's stomping on page->flags
> after they're freed. I suggest enabling more debugging code.
Would be lovely if Tino could bisect it, perhaps.
-ss