Hi Jiri, I love your patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on v6.1-rc1 next-20221021] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/UPDATE-20221022-031645/Jiri-Kosina/mm-slab-Annotate-kmem_cache_node-list_lock-as-raw/20221021-225037 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/nycvar.YFH.7.76.2210212114480.29912%40cbobk.fhfr.pm patch subject: [PATCH v2] mm/slab: Annotate kmem_cache_node->list_lock as raw config: x86_64-rhel-8.3-func compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/87acd941576d0867488b675c1fe0d35ffd4d4541 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review UPDATE-20221022-031645/Jiri-Kosina/mm-slab-Annotate-kmem_cache_node-list_lock-as-raw/20221021-225037 git checkout 87acd941576d0867488b675c1fe0d35ffd4d4541 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c: In function 'alloc_single_from_new_slab': >> mm/slub.c:2124:27: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 2124 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:2124:9: note: in expansion of macro 'spin_lock_irqsave' 2124 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ >> mm/slub.c:2132:32: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 2132 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c: In function 'get_partial_node': mm/slub.c:2210:27: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 2210 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:2210:9: note: in expansion of macro 'spin_lock_irqsave' 2210 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ mm/slub.c:2247:32: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 2247 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c: In function 'deactivate_slab': mm/slub.c:2489:35: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 2489 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:2489:17: note: in expansion of macro 'spin_lock_irqsave' 2489 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c:2497:35: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 2497 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:2497:17: note: in expansion of macro 'spin_lock_irqsave' 2497 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ mm/slub.c:2508:48: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 2508 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: -- 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:2946:9: note: in expansion of macro 'spin_lock_irqsave' 2946 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ mm/slub.c:2949:32: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 2949 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ mm/slub.c: In function '__slab_free': mm/slub.c:3483:48: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 3483 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c:3515:51: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 3515 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:3515:33: note: in expansion of macro 'spin_lock_irqsave' 3515 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ mm/slub.c:3557:32: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 3557 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ mm/slub.c:3572:32: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 3572 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ mm/slub.c: In function 'init_kmem_cache_node': mm/slub.c:4008:24: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 4008 | spin_lock_init(&n->list_lock); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:342:24: note: in definition of macro 'spin_lock_init' 342 | spinlock_check(_lock); \ | ^~~~~ include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ In file included from include/linux/spinlock.h:88, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: >> include/linux/spinlock_types.h:41:9: error: incompatible types when assigning to type 'raw_spinlock_t' {aka 'struct raw_spinlock'} from type 'spinlock_t' {aka 'struct spinlock'} 41 | (spinlock_t) __SPIN_LOCK_INITIALIZER(lockname) | ^ include/linux/spinlock.h:343:20: note: in expansion of macro '__SPIN_LOCK_UNLOCKED' 343 | *(_lock) = __SPIN_LOCK_UNLOCKED(_lock); \ | ^~~~~~~~~~~~~~~~~~~~ mm/slub.c:4008:9: note: in expansion of macro 'spin_lock_init' 4008 | spin_lock_init(&n->list_lock); | ^~~~~~~~~~~~~~ mm/slub.c: In function 'free_partial': >> mm/slub.c:4393:23: error: passing argument 1 of 'spin_lock_irq' from incompatible pointer type [-Werror=incompatible-pointer-types] 4393 | spin_lock_irq(&n->list_lock); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:373:55: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 373 | static __always_inline void spin_lock_irq(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ >> mm/slub.c:4403:25: error: passing argument 1 of 'spin_unlock_irq' from incompatible pointer type [-Werror=incompatible-pointer-types] 4403 | spin_unlock_irq(&n->list_lock); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:398:57: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 398 | static __always_inline void spin_unlock_irq(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c: In function '__kmem_cache_do_shrink': mm/slub.c:4607:35: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 4607 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:4607:17: note: in expansion of macro 'spin_lock_irqsave' 4607 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ mm/slub.c:4639:40: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 4639 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c: In function 'validate_slab_node': mm/slub.c:4962:27: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 4962 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:4962:9: note: in expansion of macro 'spin_lock_irqsave' 4962 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:323:67: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 323 | static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) | ~~~~~~~~~~~~^~~~ mm/slub.c:4988:32: error: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type [-Werror=incompatible-pointer-types] 4988 | spin_unlock_irqrestore(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/spinlock.h:403:64: note: expected 'spinlock_t *' {aka 'struct spinlock *'} but argument is of type 'raw_spinlock_t *' {aka 'struct raw_spinlock *'} 403 | static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) | ~~~~~~~~~~~~^~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: mm/slub.c: In function 'slab_debug_trace_open': mm/slub.c:6202:35: error: passing argument 1 of 'spinlock_check' from incompatible pointer type [-Werror=incompatible-pointer-types] 6202 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~ | | | raw_spinlock_t * {aka struct raw_spinlock *} include/linux/spinlock.h:243:48: note: in definition of macro 'raw_spin_lock_irqsave' 243 | flags = _raw_spin_lock_irqsave(lock); \ | ^~~~ mm/slub.c:6202:17: note: in expansion of macro 'spin_lock_irqsave' 6202 | spin_lock_irqsave(&n->list_lock, flags); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, vim +/spin_unlock_irqrestore +2132 mm/slub.c c7323a5ad07863 Vlastimil Babka 2022-08-23 2097 c7323a5ad07863 Vlastimil Babka 2022-08-23 2098 /* c7323a5ad07863 Vlastimil Babka 2022-08-23 2099 * Called only for kmem_cache_debug() caches to allocate from a freshly c7323a5ad07863 Vlastimil Babka 2022-08-23 2100 * allocated slab. Allocate a single object instead of whole freelist c7323a5ad07863 Vlastimil Babka 2022-08-23 2101 * and put the slab to the partial (or full) list. c7323a5ad07863 Vlastimil Babka 2022-08-23 2102 */ c7323a5ad07863 Vlastimil Babka 2022-08-23 2103 static void *alloc_single_from_new_slab(struct kmem_cache *s, 6edf2576a6cc46 Feng Tang 2022-09-13 2104 struct slab *slab, int orig_size) c7323a5ad07863 Vlastimil Babka 2022-08-23 2105 { c7323a5ad07863 Vlastimil Babka 2022-08-23 2106 int nid = slab_nid(slab); c7323a5ad07863 Vlastimil Babka 2022-08-23 2107 struct kmem_cache_node *n = get_node(s, nid); c7323a5ad07863 Vlastimil Babka 2022-08-23 2108 unsigned long flags; c7323a5ad07863 Vlastimil Babka 2022-08-23 2109 void *object; c7323a5ad07863 Vlastimil Babka 2022-08-23 2110 c7323a5ad07863 Vlastimil Babka 2022-08-23 2111 c7323a5ad07863 Vlastimil Babka 2022-08-23 2112 object = slab->freelist; c7323a5ad07863 Vlastimil Babka 2022-08-23 2113 slab->freelist = get_freepointer(s, object); c7323a5ad07863 Vlastimil Babka 2022-08-23 2114 slab->inuse = 1; c7323a5ad07863 Vlastimil Babka 2022-08-23 2115 6edf2576a6cc46 Feng Tang 2022-09-13 2116 if (!alloc_debug_processing(s, slab, object, orig_size)) c7323a5ad07863 Vlastimil Babka 2022-08-23 2117 /* c7323a5ad07863 Vlastimil Babka 2022-08-23 2118 * It's not really expected that this would fail on a c7323a5ad07863 Vlastimil Babka 2022-08-23 2119 * freshly allocated slab, but a concurrent memory c7323a5ad07863 Vlastimil Babka 2022-08-23 2120 * corruption in theory could cause that. c7323a5ad07863 Vlastimil Babka 2022-08-23 2121 */ c7323a5ad07863 Vlastimil Babka 2022-08-23 2122 return NULL; c7323a5ad07863 Vlastimil Babka 2022-08-23 2123 c7323a5ad07863 Vlastimil Babka 2022-08-23 @2124 spin_lock_irqsave(&n->list_lock, flags); c7323a5ad07863 Vlastimil Babka 2022-08-23 2125 c7323a5ad07863 Vlastimil Babka 2022-08-23 2126 if (slab->inuse == slab->objects) c7323a5ad07863 Vlastimil Babka 2022-08-23 2127 add_full(s, n, slab); c7323a5ad07863 Vlastimil Babka 2022-08-23 2128 else c7323a5ad07863 Vlastimil Babka 2022-08-23 2129 add_partial(n, slab, DEACTIVATE_TO_HEAD); c7323a5ad07863 Vlastimil Babka 2022-08-23 2130 c7323a5ad07863 Vlastimil Babka 2022-08-23 2131 inc_slabs_node(s, nid, slab->objects); c7323a5ad07863 Vlastimil Babka 2022-08-23 @2132 spin_unlock_irqrestore(&n->list_lock, flags); c7323a5ad07863 Vlastimil Babka 2022-08-23 2133 c7323a5ad07863 Vlastimil Babka 2022-08-23 2134 return object; c7323a5ad07863 Vlastimil Babka 2022-08-23 2135 } c7323a5ad07863 Vlastimil Babka 2022-08-23 2136 -- 0-DAY CI Kernel Test Service https://01.org/lkp