lookup_swap_cgroup

Name:lookup_swap_cgroup

Proto:static struct swap_cgroup *lookup_swap_cgroup(swp_entry_t ent, struct swap_cgroup_ctrl **ctrlp)

Type:struct swap_cgroup

Parameter:

Type	Parameter	Name
swp_entry_t	ent
struct swap_cgroup_ctrl **	ctrlp

79

offset = Extract the `offset' field from a swp_entry_t. The swp_entry_t is in* arch-independent format

82

ctrl = swap_cgroup_ctrl[Extract the `type' field from a swp_entry_t. The swp_entry_t is in* arch-independent format]

83

If ctrlp Then ctrlp = ctrl

85

Return __lookup_swap_cgroup(ctrl, offset)

**Caller**
Name	Describe
swap_cgroup_cmpxchg	swap_cgroup_cmpxchg - cmpxchg mem_cgroup's id for this swp_entry.@ent: swap entry to be cmpxchged@old: old id@new: new id Returns old id at success, 0 at failure.* (There is no mem_cgroup using 0 as its id)
swap_cgroup_record	swap_cgroup_record - record mem_cgroup for a set of swap entries@ent: the first swap entry to be recorded into@id: mem_cgroup to be recorded@nr_ents: number of swap entries to be recorded Returns old value at success, 0 at failure.
lookup_swap_cgroup_id	lookup_swap_cgroup_id - lookup mem_cgroup id tied to swap entry@ent: swap entry to be looked up. Returns ID of mem_cgroup at success. 0 at failure. (0 is invalid ID)

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