* [android-common:android15-6.6 2/22] mm/page_alloc.c:191:1: sparse: sparse: symbol 'restrict_cma_redirect' was not declared. Should it be static?
@ 2024-04-27 15:59 kernel test robot
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From: kernel test robot @ 2024-04-27 15:59 UTC (permalink / raw
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
tree: https://android.googlesource.com/kernel/common android15-6.6
head: e1c0fd4e4964db2eb14c56a62e1a9cdb9d67445e
commit: 50c9052328749b2f96f994fc83e0bfd5c2cacf19 [2/22] ANDROID: fix !CONFIG_CMA build
config: x86_64-randconfig-123-20240427 (https://download.01.org/0day-ci/archive/20240427/202404272356.8EuFLuZa-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240427/202404272356.8EuFLuZa-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404272356.8EuFLuZa-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> mm/page_alloc.c:191:1: sparse: sparse: symbol 'restrict_cma_redirect' was not declared. Should it be static?
mm/page_alloc.c:2490:6: sparse: sparse: context imbalance in 'free_unref_page' - different lock contexts for basic block
mm/page_alloc.c:2617:17: sparse: sparse: context imbalance in 'free_unref_page_list' - unexpected unlock
mm/page_alloc.c:2847:20: sparse: sparse: context imbalance in 'rmqueue_pcplist' - different lock contexts for basic block
mm/page_alloc.c:4526:9: sparse: sparse: context imbalance in '__alloc_pages_bulk' - different lock contexts for basic block
mm/page_alloc.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/mm.h):
include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to true
vim +/restrict_cma_redirect +191 mm/page_alloc.c
7281201922a006 Lee Schermerhorn 2010-05-26 178
4518085e127dff Kemi Wang 2017-11-15 @179 DEFINE_STATIC_KEY_TRUE(vm_numa_stat_key);
4518085e127dff Kemi Wang 2017-11-15 180
1c8aebe4c072bf Heesub Shin 2024-02-12 181 /*
1c8aebe4c072bf Heesub Shin 2024-02-12 182 * By default, when restrict_cma_redirect is false, all movable allocations
1c8aebe4c072bf Heesub Shin 2024-02-12 183 * are eligible for redirection to CMA region (i.e movable allocations are
1c8aebe4c072bf Heesub Shin 2024-02-12 184 * not restricted from CMA region), when there is sufficient space there.
1c8aebe4c072bf Heesub Shin 2024-02-12 185 * (see __rmqueue()).
1c8aebe4c072bf Heesub Shin 2024-02-12 186 *
1c8aebe4c072bf Heesub Shin 2024-02-12 187 * If restrict_cma_redirect is set to true, only MOVABLE allocations marked
1c8aebe4c072bf Heesub Shin 2024-02-12 188 * __GFP_CMA are eligible to be redirected to CMA region. These allocations
1c8aebe4c072bf Heesub Shin 2024-02-12 189 * are redirected if *any* free space is available in the CMA region.
1c8aebe4c072bf Heesub Shin 2024-02-12 190 */
1c8aebe4c072bf Heesub Shin 2024-02-12 @191 DEFINE_STATIC_KEY_FALSE(restrict_cma_redirect);
1c8aebe4c072bf Heesub Shin 2024-02-12 192
:::::: The code at line 191 was first introduced by commit
:::::: 1c8aebe4c072bf18409cc78fc84407e24a437302 ANDROID: cma: redirect page allocation to CMA
:::::: TO: Heesub Shin <heesub.shin@samsung.com>
:::::: CC: Carlos Llamas <cmllamas@google.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-04-27 15:59 [android-common:android15-6.6 2/22] mm/page_alloc.c:191:1: sparse: sparse: symbol 'restrict_cma_redirect' was not declared. Should it be static? kernel test robot
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