Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\cgroup.h Create Date:2022-07-28 05:54:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:ss_tryget - try to obtain a reference on the specified css*@css: target css* Obtain a reference on @css unless it already has reached zero and is* being released. This function doesn't care whether @css is on or* offline

Proto:static inline bool css_tryget(struct cgroup_subsys_state *css)

Type:bool

Parameter:

TypeParameterName
struct cgroup_subsys_state *css
350  If Not (flags & CSS_NO_REF) Then Return percpu_ref_tryget - try to increment a percpu refcount*@ref: percpu_ref to try-get* Increment a percpu refcount unless its count already reached zero.* Returns %true on success; %false on failure.
352  Return true
Caller
NameDescribe
get_mem_cgroup_from_mmget_mem_cgroup_from_mm: Obtain a reference on given mm_struct's memcg.*@mm: mm from which memcg should be extracted. It can be NULL.* Obtain a reference on mm->memcg and returns it if successful. Otherwise* root_mem_cgroup is returned
mem_cgroup_itermem_cgroup_iter - iterate over memory cgroup hierarchy*@root: hierarchy root*@prev: previously returned memcg, NULL on first invocation*@reclaim: cookie for shared reclaim walks, NULL for full walks* Returns references to children of the hierarchy below
hugetlb_cgroup_charge_cgroup