Re: [External] Re: [PATCH 01/29] mm: shrinker: add shrinker::private_data field

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Hi Vlastimil,

On 2023/6/22 22:47, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
To prepare for the dynamic allocation of shrinker instances
embedded in other structures, add a private_data field to
struct shrinker, so that we can use shrinker::private_data
to record and get the original embedded structure.

Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>

I would fold this to 02/29, less churn.

OK, I will fold this to 02/29 in the v2.

Thanks,
Qi


---
  include/linux/shrinker.h | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index 224293b2dd06..43e6fcabbf51 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -70,6 +70,8 @@ struct shrinker {
  	int seeks;	/* seeks to recreate an obj */
  	unsigned flags;
+ void *private_data;
+
  	/* These are for internal use */
  	struct list_head list;
  #ifdef CONFIG_MEMCG




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