tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 735f0ab7121a98dd501241bd147c5c95e6e0b38c commit: fd855715f24e3eeadaa56de5fde21c55a14aeea0 [7193/9806] mm/mem_reliable: Fallback to dpool if reliable memory is not enough config: arm64-randconfig-004-20240601 (https://download.01.org/0day-ci/archive/20240601/202406010233.N3paZ0zK-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240601/202406010233.N3paZ0zK-lkp@i...)

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/202406010233.N3paZ0zK-lkp@intel.com/

All errors (new ones prefixed by >>):

mm/page_alloc.c: In function 'mem_reliable_fallback_dpool':

...

mm/page_alloc.c:4110:16: error: implicit declaration of function 'dynamic_pool_should_alloc' [-Werror=implicit-function-declaration]

4110 | return dynamic_pool_should_alloc(gfp_mask & ~GFP_RELIABLE, order); | ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_PRELOAD Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=n] Selected by [y]: - PGP_PRELOAD_PUBLIC_KEYS [=y] && CRYPTO [=y]

vim +/dynamic_pool_should_alloc +4110 mm/page_alloc.c

4101 4102 static inline bool mem_reliable_fallback_dpool(gfp_t gfp_mask, unsigned int order) 4103 { 4104 if (!reliable_allow_fb_enabled()) 4105 return false; 4106 4107 if (!(gfp_mask & GFP_RELIABLE)) 4108 return false; 4109

4110 return dynamic_pool_should_alloc(gfp_mask & ~GFP_RELIABLE, order);

4111 } 4112 #else 4113 static inline struct zone *mem_reliable_fallback_zone(gfp_t gfp_mask, 4114 struct alloc_context *ac) 4115 { 4116 return NULL; 4117 } 4118 static inline void mem_reliable_fallback_slowpath(gfp_t gfp_mask, 4119 struct alloc_context *ac) {} 4120 static inline bool mem_reliable_fallback_dpool(gfp_t gfp_mask, unsigned int order) 4121 { 4122 return false; 4123 } 4124 #endif 4125