__check_limbo

Name:Check the RMIDs that are marked as busy for this domain. If the* reported LLC occupancy is below the threshold clear the busy bit and* decrement the count. If the busy count gets to zero on an RMID, we* free the RMID

Proto:void __check_limbo(struct rdt_domain *d, bool force_free)

Type:void

Parameter:

Type	Parameter	Name
struct rdt_domain *	d
bool	force_free

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crmid = 1

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r = rdt_resources_all[RDT_RESOURCE_L3]

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cycle

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nrmid = Find the next set bit in a memory region.

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If nrmid >= num_rmid Then Break

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entry = __rmid_entry(nrmid)

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If force_free || Not rmid_dirty(entry) Then

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lear_bit - Clears a bit in memory*@nr: Bit to clear*@addr: Address to start counting from* This is a relaxed atomic operation (no implied memory barriers).

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If Not --busy Then

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@rmid_limbo_count count of currently unused but (potentially)* dirty RMIDs.* This counts RMIDs that no one is currently using but that* may have a occupancy value > intel_cqm_threshold. User can change* the threshold occupancy value.--

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list_add_tail - add a new entry*@new: new entry to be added*@head: list head to add it before* Insert a new entry before the specified head.* This is useful for implementing queues.

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crmid = nrmid + 1

**Caller**
Name	Describe
cqm_handle_limbo	Handler to scan the limbo list and move the RMIDs* to free list whose occupancy < threshold_occupancy.

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