On Sat, Feb 07, 2026 at 10:21:26AM +0900, Harry Yoo wrote:
> On Fri, Feb 06, 2026 at 04:16:46PM -0800, Paul E. McKenney wrote:
> > On Fri, Feb 06, 2026 at 06:34:03PM +0900, Harry Yoo wrote:
> > > These are a few improvements for k[v]free_rcu() API, which were suggested
> > > by Alexei Starovoitov.
> > >
> > > [ To kmemleak folks: I'm going to teach delete_object_full() and
> > > paint_ptr() to ignore cases when the object does not exist.
> > > Could you please let me know if the way it's done in patch 3
> > > looks good? Only part 2 is relevant to you. ]
> >
> > On what commit should I apply this series?
>
> It's based on Vlastimil's slab/for-next:
>
> bc33906024eb Merge branch 'slab/for-7.0/sheaves' into slab/for-next
> https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git/log/?h=slab/for-next
>
> > I get conflicts on top of -rcu
> > (no surprise there) and build errors on top of next-20260205.
>
> Interesting, I don't get build errors when applied it on top of next-20260205.
Here you go!
Here is my repeat-by for these build errors, perhaps a .config issue
or difference:
tools/testing/selftests/rcutorture/bin/torture.sh --do-none --do-kvfree
--do-kasan
Thanx, Paul
------------------------------------------------------------------------
mm/slab_common.c:1475:21: error: implicit declaration of function
‘IRQ_WORK_INIT’; did you mean ‘IRQ_WORK_VECTOR’?
[-Werror=implicit-function-declaration]
1475 | .irq_work = IRQ_WORK_INIT(defer_kfree_rcu),
| ^~~~~~~~~~~~~
| IRQ_WORK_VECTOR
mm/slab_common.c:1475:21: error: initialization of ‘struct llist_node *’ from
‘int’ makes pointer from integer without a cast [-Werror=int-conversion]
mm/slab_common.c:1475:21: note: (near initialization for
‘krc.irq_work.node.llist.next’)
mm/slab_common.c:1475:21: error: initializer element is not constant
mm/slab_common.c:1475:21: note: (near initialization for
‘krc.irq_work.node.llist.next’)
CC drivers/tty/pty.o
mm/slab_common.c:1477:17: error: implicit declaration of function
‘IRQ_WORK_INIT_LAZY’ [-Werror=implicit-function-declaration]
1477 | IRQ_WORK_INIT_LAZY(sched_monitor_irq_work),
| ^~~~~~~~~~~~~~~~~~
mm/slab_common.c:1477:17: error: initialization of ‘struct llist_node *’ from
‘int’ makes pointer from integer without a cast [-Werror=int-conversion]
mm/slab_common.c:1477:17: note: (near initialization for
‘krc.sched_monitor_irq_work.node.llist.next’)
mm/slab_common.c:1477:17: error: initializer element is not constant
mm/slab_common.c:1477:17: note: (near initialization for
‘krc.sched_monitor_irq_work.node.llist.next’)
CC drivers/tty/tty_audit.o
CC net/ethtool/eee.o
mm/slab_common.c: In function ‘kvfree_call_rcu_ptr’:
mm/slab_common.c:2097:25: error: implicit declaration of function
‘irq_work_queue’; did you mean ‘drain_workqueue’?
[-Werror=implicit-function-declaration]
2097 | irq_work_queue(&krcp->sched_monitor_irq_work);
| ^~~~~~~~~~~~~~
| drain_workqueue
