linux-kernel - Re: [PATCHv4 0/4] zsmalloc: fine-grained fullness and new compaction algorithm

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Date:   Mon, 17 Apr 2023 11:44:46 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Yu Zhao <yuzhao@...gle.com>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Minchan Kim <minchan@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Yosry Ahmed <yosryahmed@...gle.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCHv4 0/4] zsmalloc: fine-grained fullness and new compaction
 algorithm

On (23/04/16 13:27), Yu Zhao wrote:
> > Hi,
> >
> > Did you bisect it down to this series?
> 
> Not exactly -- since this series was the only suspect I had, I cherry
> picked it to v6.3-rc6 and verified it is the culprit.

Can't reproduce it yet. One of the theories is that get_fullness_group()
maybe returns an invalid index, but I don't immediately see how would it
do so.

Is the problem reproducible? Do you run some specific test?