cgroup_bpf_inherit

Name:group_bpf_inherit() - inherit effective programs from parent*@cgrp: the cgroup to modify

Proto:int cgroup_bpf_inherit(struct cgroup *cgrp)

Type:int

Parameter:

Type	Parameter	Name
struct cgroup *	cgrp

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struct bpf_prog_array * arrays[( size of array of effective progs in this cgroup / sizeof(( array of effective progs in this cgroup )[0]) + ((int)(sizeof(struct{int : ( - !!(__builtin_types_compatible_p(typeof(( array of effective progs in this cgroup )), typeof( & ( array of effective progs in this cgroup )[0]))));}))))] = {}

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ret = percpu_ref_init - initialize a percpu refcount*@ref: percpu_ref to initialize*@release: function which will be called when refcount hits 0*@flags: PERCPU_REF_INIT_* flags*@gfp: allocation mask to use* Initializes @ref

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If ret Then Return ret

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When p cycle cgroup_bpf_get(p)

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When i < has to use marco instead of const int, since compiler thinks* that array below is variable length cycle Initialization list head

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When i < has to use marco instead of const int, since compiler thinks* that array below is variable length cycle If mpute a chain of effective programs for a given cgroup:* start from the list of programs in this cgroup and add* all parent programs.* Note that parent's F_ALLOW_OVERRIDE-type program is yielding* to programs in this cgroup Then

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Go to cleanup

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When i < has to use marco instead of const int, since compiler thinks* that array below is variable length cycle activate_effective_progs(cgrp, i, arrays[i])

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Return 0

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When i < has to use marco instead of const int, since compiler thinks* that array below is variable length cycle bpf_prog_array_free(arrays[i])

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percpu_ref_exit - undo percpu_ref_init()*@ref: percpu_ref to exit* This function exits @ref

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Return -ENOMEM

**Caller**
Name	Describe
cgroup_create	The returned cgroup is fully initialized including its control mask, but* it isn't associated with its kernfs_node and doesn't have the control* mask applied.

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