* Re: [PATCH 1/2] kvfree_rcu: Release a page cache under memory pressure
[not found] <20210308194950.12320-1-urezki@gmail.com>
@ 2021-03-08 23:37 ` kernel test robot
2021-03-08 23:44 ` kernel test robot
2021-03-08 23:52 ` kernel test robot
2 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-03-08 23:37 UTC (permalink / raw)
To: Uladzislau Rezki (Sony), LKML, RCU, Paul E . McKenney
Cc: kbuild-all, clang-built-linux, Michal Hocko, Andrew Morton,
Linux Memory Management List, Daniel Axtens, Frederic Weisbecker,
Neeraj Upadhyay, Joel Fernandes
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Hi "Uladzislau,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on rcu/dev]
[also build test WARNING 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: riscv-randconfig-r002-20210309 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 3a11a41795bec548e91621caaa4cc00fc31b2212)
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
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# 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=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> kernel/rcu/tree.c:3518:7: warning: variable '__ret' is uninitialized when used here [-Wuninitialized]
if (xchg(&backoff_page_cache_fill, false)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/cmpxchg.h:146:23: note: expanded from macro 'xchg'
(__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/cmpxchg.h:140:2: note: expanded from macro '__xchg'
__ret; \
^~~~~
kernel/rcu/tree.c:3518:7: note: variable '__ret' is declared here
arch/riscv/include/asm/cmpxchg.h:146:23: note: expanded from macro 'xchg'
(__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \
^
arch/riscv/include/asm/cmpxchg.h:121:2: note: expanded from macro '__xchg'
__typeof__(*(ptr)) __ret; \
^
1 warning generated.
vim +/__ret +3518 kernel/rcu/tree.c
3512
3513 static void
3514 run_page_cache_worker(struct kfree_rcu_cpu *krcp)
3515 {
3516 if (rcu_scheduler_active == RCU_SCHEDULER_RUNNING &&
3517 !atomic_xchg(&krcp->work_in_progress, 1)) {
> 3518 if (xchg(&backoff_page_cache_fill, false)) {
3519 queue_delayed_work(system_wq,
3520 &krcp->page_cache_work, PAGE_CACHE_FILL_DELAY);
3521 } else {
3522 hrtimer_init(&krcp->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
3523 krcp->hrtimer.function = schedule_page_work_fn;
3524 hrtimer_start(&krcp->hrtimer, 0, HRTIMER_MODE_REL);
3525 }
3526 }
3527 }
3528
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH 1/2] kvfree_rcu: Release a page cache under memory pressure
[not found] <20210308194950.12320-1-urezki@gmail.com>
2021-03-08 23:37 ` [PATCH 1/2] kvfree_rcu: Release a page cache under memory pressure kernel test robot
@ 2021-03-08 23:44 ` kernel test robot
2021-03-08 23:52 ` kernel test robot
2 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-03-08 23:44 UTC (permalink / raw)
To: Uladzislau Rezki (Sony), LKML, RCU, Paul E . McKenney
Cc: kbuild-all, Michal Hocko, Andrew Morton,
Linux Memory Management List, Daniel Axtens, Frederic Weisbecker,
Neeraj Upadhyay, Joel Fernandes
[-- Attachment #1: Type: text/plain, Size: 1854 bytes --]
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@intel.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
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH 1/2] kvfree_rcu: Release a page cache under memory pressure
[not found] <20210308194950.12320-1-urezki@gmail.com>
2021-03-08 23:37 ` [PATCH 1/2] kvfree_rcu: Release a page cache under memory pressure kernel test robot
2021-03-08 23:44 ` kernel test robot
@ 2021-03-08 23:52 ` kernel test robot
2 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-03-08 23:52 UTC (permalink / raw)
To: Uladzislau Rezki (Sony), LKML, RCU, Paul E . McKenney
Cc: kbuild-all, Michal Hocko, Andrew Morton,
Linux Memory Management List, Daniel Axtens, Frederic Weisbecker,
Neeraj Upadhyay, Joel Fernandes
[-- Attachment #1: Type: text/plain, Size: 1868 bytes --]
Hi "Uladzislau,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on rcu/dev]
[also build test WARNING 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: h8300-randconfig-m031-20210308 (attached as .config)
compiler: h8300-linux-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=h8300
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
/tmp/cctEAUUM.s: Assembler messages:
>> /tmp/cctEAUUM.s:306: Warning: mismatch between opcode size and operand size
/tmp/cctEAUUM.s:307: Warning: mismatch between opcode size and operand size
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
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^ permalink raw reply [flat|nested] 3+ messages in thread