Hi Yi, Thank you for the patch! Yet something to improve: [auto build test ERROR on mmotm/master] url: https://github.com/0day-ci/linux/commits/Yi-Wang/mm-slab-Use-kmem_cache_zalloc-instead-of-kmem_cache_alloc-with-flag-GFP_ZERO/20200617-151513 base: git://git.cmpxchg.org/linux-mmotm.git master config: nds32-defconfig (attached as .config) compiler: nds32le-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:13, from ./arch/nds32/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:9, from include/linux/highmem.h:10, from include/linux/pagemap.h:11, from fs//crypto/crypto.c:23: include/linux/slab.h: In function 'kmem_cache_zalloc': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h: In function 'fscrypt_get_ctx': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h: In function 'fscrypt_initialize': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:13, from ./arch/nds32/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:9, from include/linux/highmem.h:10, from include/linux/pagemap.h:11, from fs//ext4/page-io.c:13: include/linux/slab.h: In function 'kmem_cache_zalloc': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h: In function 'ext4_init_io_end': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/genhd.h:16, from include/linux/blkdev.h:11, from include/linux/backing-dev.h:15, from fs//fuse/fuse_i.h:23, from fs//fuse/dev.c:9: include/linux/slab.h: In function 'kmem_cache_zalloc': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h: In function '__fuse_request_alloc': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:13, from ./arch/nds32/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:9, from include/linux/highmem.h:10, from include/linux/pagemap.h:11, from include/linux/buffer_head.h:14, from include/linux/jbd2.h:23, from fs//jbd2/transaction.c:19: include/linux/slab.h: In function 'kmem_cache_zalloc': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h: In function 'start_this_handle': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h: In function 'jbd2__journal_start': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:13, from ./arch/nds32/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:9, from include/linux/highmem.h:10, from include/linux/pagemap.h:11, from include/linux/buffer_head.h:14, from include/linux/jbd2.h:23, from fs//jbd2/journal.c:25: include/linux/slab.h: In function 'kmem_cache_zalloc': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h: In function 'jbd2_journal_add_journal_head': >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/slab.h:678:21: error: inlining failed in call to always_inline 'kmem_cache_zalloc': recursive inlining 678 | static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) | ^~~~~~~~~~~~~~~~~ include/linux/slab.h:680:9: note: called from here 680 | return kmem_cache_zalloc(k, flags); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/kmem_cache_zalloc +678 include/linux/slab.h 10cef602950291 Matt Mackall 2006-01-08 674 81cda6626178cd Christoph Lameter 2007-07-17 675 /* 81cda6626178cd Christoph Lameter 2007-07-17 676 * Shortcuts 81cda6626178cd Christoph Lameter 2007-07-17 677 */ 81cda6626178cd Christoph Lameter 2007-07-17 @678 static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags) 81cda6626178cd Christoph Lameter 2007-07-17 679 { 3b0c169b666d29 Liao Pingfang 2020-06-17 680 return kmem_cache_zalloc(k, flags); 81cda6626178cd Christoph Lameter 2007-07-17 681 } 81cda6626178cd Christoph Lameter 2007-07-17 682 :::::: The code at line 678 was first introduced by commit :::::: 81cda6626178cd55297831296ba8ecedbfd8b52d Slab allocators: Cleanup zeroing allocations :::::: TO: Christoph Lameter <clameter@xxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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