config_item_put(9)
π config_item_put β Kernel API Manual, section 9 π
okay bestie, so this is config_item_put(9) from the Kernel API Manual and it's literally the "say bye to your refcount" page π like it's a tiny little function but the way it keeps your kernel from leaking memory is genuinely iconic.
β¨ NAME β¨
config_item_put β decrement the refcount for an item, periodt.
β¨ SYNOPSIS β¨
void config_item_put (struct config_item *item );
β¨ ARGUMENTS β¨
itemβ the item. that's it. that's the argument. it's an item. π«Ά
β¨ DESCRIPTION β¨
so what it does is it decrements the refcount, no cap. and if that refcount hits 0? it calls config_item_cleanup. slay, that's the whole thing π
real talk though β this is refcount business, so like, don't be out here putting an item you never got/got a reference to. that's the vibe check you do NOT want to fail π
β¨ SEE ALSO β¨
- the kernel file
./fs/configfs/item.c(yes, that's where the lore lives π) config_item_init(9)config_item_set_name(9)config_group_init(9)config_group_find_item(9)
that's a wrap babes π¦ β this page lives in ./fs/configfs, dated October 2026, and it's giving "small function, big responsibility" main character energy. go forth and decrement responsibly πβ¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms