memcg_to_vmpressure

Name:Some nice accessors for the vmpressure.

Proto:struct vmpressure *memcg_to_vmpressure(struct mem_cgroup *memcg)

Type:struct vmpressure

Parameter:

Type	Parameter	Name
struct mem_cgroup *	memcg

249

If Not memcg Then memcg = root_mem_cgroup

251

Return vmpressure notifications

**Caller**
Name	Describe
vmpressure_parent
vmpressure	vmpressure() - Account memory pressure through scanned/reclaimed ratio@gfp: reclaimer's gfp mask@memcg: cgroup memory controller handle@tree: legacy subtree mode@scanned: number of pages scanned@reclaimed: number of pages reclaimed This function
vmpressure_register_event	vmpressure_register_event() - Bind vmpressure notifications to an eventfd@memcg: memcg that is interested in vmpressure notifications@eventfd: eventfd context to link notifications with@args: event arguments (pressure level threshold, optional mode)
vmpressure_unregister_event	vmpressure_unregister_event() - Unbind eventfd from vmpressure@memcg: memcg handle@eventfd: eventfd context that was used to link vmpressure with the @cg* This function does internal manipulations to detach the @eventfd from* the vmpressure

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