mem_cgroup_throttle_swaprate

Name:mem_cgroup_throttle_swaprate

Proto:void mem_cgroup_throttle_swaprate(struct mem_cgroup *memcg, int node, gfp_t gfp_mask)

Type:void

Parameter:

Type	Parameter	Name
struct mem_cgroup *	memcg
int	node
gfp_t	gfp_mask

3752

If Not (gfp_mask & DOC: Reclaim modifiers* Reclaim modifiers* ~~~~~~~~~~~~~~~~~* %__GFP_IO can start physical IO.* %__GFP_FS can call down to the low-level FS. Clearing the flag avoids the* allocator recursing into the filesystem which might already be holding* locks.) || Not memcg Then Return

3755

If Not blk_cgroup_congested() Then Return

3762

If throttle_queue Then Return

3765

spin_lock( & swap_avail_lock)

3766

plist_for_each_entry_safe - iterate safely over list of given type*@pos: the type * to use as a loop counter*@n: another type * to use as temporary storage*@head: the head for your list*@m: the name of the list_head within the struct(si, next, & all available (active, not full) swap_info_structs* protected with swap_avail_lock, ordered by priority.* This is used by get_swap_page() instead of swap_active_head* because swap_active_head includes all swap_info_structs,[node], avail_lists[node])

3768

If swap device or bdev of swap file Then

3769

blkcg_schedule_throttle(bdev_get_queue(swap device or bdev of swap file ), true)

3771

Break

3774

spin_unlock( & swap_avail_lock)

**Caller**
Name	Describe
mem_cgroup_try_charge_delay

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