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SubjectRe: [PATCH 1/2] Move kfree_call_rcu() to slab_common.c
Hi Rao,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rcu/rcu/next]
[also build test ERROR on v4.16 next-20180329]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

base: rcu/next
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

>> mm/slab_common.c:1531:6: error: redefinition of 'kfree_call_rcu'
void kfree_call_rcu(struct rcu_head *head,
In file included from include/linux/rcupdate.h:214:0,
from include/linux/srcu.h:33,
from include/linux/notifier.h:16,
from include/linux/memory_hotplug.h:7,
from include/linux/mmzone.h:775,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from mm/slab_common.c:7:
include/linux/rcutiny.h:87:20: note: previous definition of 'kfree_call_rcu' was here
static inline void kfree_call_rcu(struct rcu_head *head,

vim +/kfree_call_rcu +1531 mm/slab_common.c

1528 /*
1529 * Queue Memory to be freed by RCU after a grace period.
1530 */
> 1531 void kfree_call_rcu(struct rcu_head *head,
1532 rcu_callback_t func)
1533 {
1534 call_rcu_lazy(head, func);
1535 }
1536 EXPORT_SYMBOL_GPL(kfree_call_rcu);

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation
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