linux-kernel - Re: [PATCH 1/2] kvfree_rcu: Release a page cache under memory pressure

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Date:   Tue, 9 Mar 2021 07:44:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Uladzislau Rezki (Sony)" <urezki@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, RCU <rcu@...r.kernel.org>,
        "Paul E . McKenney" <paulmck@...nel.org>
Cc:     kbuild-all@...org, Michal Hocko <mhocko@...e.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Daniel Axtens <dja@...ens.net>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <neeraju@...eaurora.org>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH 1/2] kvfree_rcu: Release a page cache under memory
 pressure

Hi "Uladzislau,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rcu/dev]
[also build test ERROR on linux/master linus/master v5.12-rc2 next-20210305]
[cannot apply to hnaz-linux-mm/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Uladzislau-Rezki-Sony/kvfree_rcu-Release-a-page-cache-under-memory-pressure/20210309-035155
base:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev
config: arc-defconfig (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/d1c3a54d06b2b088b2a7b4e7f2a0a85bcbfbf53a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Uladzislau-Rezki-Sony/kvfree_rcu-Release-a-page-cache-under-memory-pressure/20210309-035155
        git checkout d1c3a54d06b2b088b2a7b4e7f2a0a85bcbfbf53a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arc-elf-ld: kernel/rcu/tree.o: in function `kvfree_call_rcu':
>> tree.c:(.text+0x291a): undefined reference to `__xchg_bad_pointer'
>> arc-elf-ld: tree.c:(.text+0x291a): undefined reference to `__xchg_bad_pointer'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (9311 bytes)