linux-kernel - Re: [PATCH 1/2] mm/zswap: global lru and shrinker shared by all zswap

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Date: Mon, 12 Feb 2024 21:17:45 +0800
From: Chengming Zhou <zhouchengming@...edance.com>
To: kernel test robot <lkp@...el.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Johannes Weiner <hannes@...xchg.org>, Yosry Ahmed <yosryahmed@...gle.com>,
 Nhat Pham <nphamcs@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev,
 Linux Memory Management List <linux-mm@...ck.org>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mm/zswap: global lru and shrinker shared by all
 zswap_pools

On 2024/2/12 03:01, kernel test robot wrote:
> Hi Chengming,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on 191d97734e41a5c9f90a2f6636fdd335ae1d435d]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Chengming-Zhou/mm-zswap-global-lru-and-shrinker-shared-by-all-zswap_pools/20240211-220028
> base:   191d97734e41a5c9f90a2f6636fdd335ae1d435d
> patch link:    https://lore.kernel.org/r/20240210-zswap-global-lru-v1-1-853473d7b0da%40bytedance.com
> patch subject: [PATCH 1/2] mm/zswap: global lru and shrinker shared by all zswap_pools
> config: x86_64-randconfig-013-20240211 (https://download.01.org/0day-ci/archive/20240212/202402120226.TK7G37U9-lkp@intel.com/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240212/202402120226.TK7G37U9-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/202402120226.TK7G37U9-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    mm/zswap.c: In function 'zswap_shrinker_count':
>>> mm/zswap.c:1300:42: error: 'pool' undeclared (first use in this function); did you mean 'zpool'?
>     1300 |         nr_backing = get_zswap_pool_size(pool) >> PAGE_SHIFT;

Forgot to test with !CONFIG_MEMCG_KMEM, need to change to zswap_pool_total_size here.

Thanks.