KFunc `bpf_percpu_obj_drop_impl`

Free an allocated per-CPU object.

Note

This kfunc is deprecated as of 7.1, replaced by bpf_percpu_obj_drop. This kfunc will be removed at some point in the future.

Definition

All fields of the object that require destruction will be destructed before the storage is freed.

Parameters

p__alloc: The object to be freed.

The meta parameter is rewritten by the verifier, no need for BPF program to set it.

Signature

void bpf_percpu_obj_drop_impl(void *p__alloc, void *meta__ign)

Note

This kfunc releases the pointer passed in to it. There can be only one referenced pointer that can be passed in. All copies of the pointer being released are invalidated as a result of invoking this kfunc.

Usage

Docs could be improved

This part of the docs is incomplete, contributions are very welcome

Program types

The following program types can make use of this kfunc:

Example