tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next head: 413d9f332cbd16d951c22a41f2e5f53c1a75ae1c commit: f7c3fb4fc476a8a7a3cfc78cffbf1de13c1899b7 [94/101] mm: Add kmem_last_alloc() to return last allocation for memory block config: i386-randconfig-p001-20201204 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=f7c3fb4fc476a8a7a3cfc78cffbf1de13c1899b7 git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git git fetch --no-tags rcu rcu/next git checkout f7c3fb4fc476a8a7a3cfc78cffbf1de13c1899b7 # save the attached .config to linux build tree make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All errors (new ones prefixed by >>):
ld: mm/slab_common.o: in function `kmem_last_alloc':
>> mm/slab_common.c:555: undefined reference to `kmem_cache_last_alloc'
vim +555 mm/slab_common.c
538
539 /*
540 * If the pointer references a slab-allocated object and if sufficient
541 * debugging is enabled, return the returrn address for the
corresponding
542 * allocation. Otherwise, return NULL. Note that passing random
pointers
543 * to this function (including addresses of on-stack variables) is
likely
544 * to result in panics.
545 */
546 void *kmem_last_alloc(void *object)
547 {
548 struct page *page;
549
550 if (!virt_addr_valid(object))
551 return NULL;
552 page = virt_to_head_page(object);
553 if (!PageSlab(page))
554 return NULL;
> 555 return kmem_cache_last_alloc(page->slab_cache, object);
556 }
557 EXPORT_SYMBOL_GPL(kmem_last_alloc);
558
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
