Messages in this thread | | | Date | Thu, 9 Mar 2023 18:14:27 +0800 | Subject | Re: [PATCH v4 5/8] mm: shrinkers: make count and scan in shrinker debugfs lockless | From | Qi Zheng <> |
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On 2023/3/9 17:39, Vlastimil Babka wrote: > On 3/7/23 07:56, Qi Zheng wrote: >> Like global and memcg slab shrink, also use SRCU to >> make count and scan operations in memory shrinker >> debugfs lockless. >> >> Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com> >> --- >> mm/shrinker_debug.c | 24 +++++++----------------- >> 1 file changed, 7 insertions(+), 17 deletions(-) >> >> diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c >> index 39c3491e28a3..6aa7a7ec69da 100644 >> --- a/mm/shrinker_debug.c >> +++ b/mm/shrinker_debug.c > > Forgot to mention that this file should now likely also #include <linux/srcu.h>
Got it. Will do.
Thanks, Qi
> >> @@ -9,6 +9,7 @@ >> /* defined in vmscan.c */ >> extern struct rw_semaphore shrinker_rwsem; >> extern struct list_head shrinker_list; >> +extern struct srcu_struct shrinker_srcu; >
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