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d=linux-foundation.org; s=korg; t=1694894653; bh=bawxczNPnq3Vfgyc+ufnLqCHSJIojqF/0A0qUQ9y1j8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=zLp5UXZ+KHJ/obNuLFg8OsxY+e0pepS0EIR4adFyhEfP+HNeCvIZJGVULoiIJb5n4 SBd94FsYXibZxiBK71pST/Bc7P4FEcau+IuMnlLoqny7sMNJ3IzZvfFzCFws1YY1PR ZCsvfhj5DOhIOgG9VSjOFgrGoD43hlird1jD8QCY= Date: Sat, 16 Sep 2023 13:04:12 -0700 From: Andrew Morton To: Anders Roxell Cc: andrey.konovalov@linux.dev, Marco Elver , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vlastimil Babka , kasan-dev@googlegroups.com, Evgenii Stepanov , Oscar Salvador , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov , arnd@arndb.de, sfr@canb.auug.org.au Subject: Re: [PATCH v2 12/19] lib/stackdepot: use list_head for stack record links Message-Id: <20230916130412.bdd04e5344f80af583332e9d@linux-foundation.org> In-Reply-To: <20230916174334.GA1030024@mutt> References: <20230916174334.GA1030024@mutt> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 8AC2418000A X-Stat-Signature: o74d4txnqmxncq19y39ogsbnt46w6kpr X-Rspam-User: X-HE-Tag: 1694894660-546850 X-HE-Meta: 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 4EnrEMlY CIsHiqPc6x47ccNtxCQa+CWFKSXjqb/u8klOoQMjV2snEZ+KJQQ+L5DAQrlABiW4abj4vvyeGcki352gRenMFkhf/kr325/AhjVb6fq1IZvknJKym3BrVUaev6TNiFLiBFhAfay8PloxgjYWKcmTwVl8zG0K0/y9b5hOvchLnI+3s1WTf4/xDqZetbGEpxq70GsW3SaZfNLiYZILG9/emRMxkkO2PYcrru/JbaXajVfNzL32OpPwBQ/luwc0Q8hvjx9lL5VrzZh57veEEqtVonYh/U0hhpZZfmSxVZz492jccfoxZs0cLj0PWN4lUctU2jZ+T4LmQrp+p6jDex0ULauUB+eHWbyl+5n73K7r1GIzTO8MTY/zrvlqyM/il1pwOirLn4CXzIs2qe2n2MUABfxjnYiOEOSBgPwNSpNPXtBDG2VjkGP9fqqHC8JhuEGXzQ0nQM5mmgnYmaPw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, 16 Sep 2023 19:43:35 +0200 Anders Roxell wrote: > On 2023-09-13 19:14, andrey.konovalov@linux.dev wrote: > > From: Andrey Konovalov > > > > Switch stack_record to use list_head for links in the hash table > > and in the freelist. > > > > This will allow removing entries from the hash table buckets. > > > > This is preparatory patch for implementing the eviction of stack records > > from the stack depot. > > > > Signed-off-by: Andrey Konovalov > > > > Building on an arm64 kernel from linux-next tag next-20230915, and boot > that in QEMU. I see the following kernel panic. > > ... > > The full log can be found [1] and the .config file [2]. I bisected down > to this commit, see the bisect log [3]. > > When reverted these two commits I managed to build and the kernel > booted. > > 47590ecf1166 ("lib/stackdepot: use list_head for stack record links") > 8729f3c26fc2 ("lib/stackdepot: allow users to evict stack traces") Thanks, I have dropped this v2 series.