linux-kernel - Re: [PATCH v8 15/29] rust: alloc: introduce `ArrayLayout`

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Message-ID: <202410030724.cV9BEoNG-lkp@intel.com>
Date: Thu, 3 Oct 2024 08:27:34 +0800
From: kernel test robot <lkp@...el.com>
To: Danilo Krummrich <dakr@...nel.org>, ojeda@...nel.org,
	alex.gaynor@...il.com, wedsonaf@...il.com, boqun.feng@...il.com,
	gary@...yguo.net, bjorn3_gh@...tonmail.com, benno.lossin@...ton.me,
	a.hindborg@...sung.com, aliceryhl@...gle.com,
	akpm@...ux-foundation.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	daniel.almeida@...labora.com, faith.ekstrand@...labora.com,
	boris.brezillon@...labora.com, lina@...hilina.net,
	mcanal@...lia.com, zhiw@...dia.com, cjia@...dia.com,
	jhubbard@...dia.com, airlied@...hat.com, ajanulgu@...hat.com,
	lyude@...hat.com, linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org, linux-mm@...ck.org,
	Danilo Krummrich <dakr@...nel.org>
Subject: Re: [PATCH v8 15/29] rust: alloc: introduce `ArrayLayout`

Hi Danilo,

kernel test robot noticed the following build errors:

[auto build test ERROR on 9852d85ec9d492ebef56dc5f229416c925758edc]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/rust-alloc-add-Allocator-trait/20241001-230558
base:   9852d85ec9d492ebef56dc5f229416c925758edc
patch link:    https://lore.kernel.org/r/20241001150008.183102-16-dakr%40kernel.org
patch subject: [PATCH v8 15/29] rust: alloc: introduce `ArrayLayout`
config: riscv-randconfig-001-20241002 (https://download.01.org/0day-ci/archive/20241003/202410030724.cV9BEoNG-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241003/202410030724.cV9BEoNG-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410030724.cV9BEoNG-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0425]: cannot find function `size_of` in this scope
   --> rust/kernel/alloc/layout.rs:47:31
   |
   47 |         match len.checked_mul(size_of::<T>()) {
   |                               ^^^^^^^ not found in this scope
   |
   help: consider importing this function
   |
   7  + use core::mem::size_of;
   |

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki