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> --- 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 -- 2.30.2 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel