70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/mm/quota.cc
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* DESCRIPTION: Memory Manager Quota support
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#include <xtos.hh>
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/**
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* Attempts to increase the pool quota limit.
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*
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* @param PoolType
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* Supplies the type of memory pool whose quota limit is being evaluated for an increase.
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*
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* @param CurrentQuotaLimit
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* Supplies the current quota limit, in bytes, for the requested pool.
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*
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* @param NewQuotaLimit
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* Receives the newly established quota limit if the increase was successful.
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*
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* @return This routine returns TRUE if the quota limit was successfully raised, or FALSE otherwise.
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*
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* @since XT 1.0
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*/
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XTAPI
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BOOLEAN
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MM::Quota::RaisePoolQuota(IN MMPOOL_TYPE PoolType,
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IN SIZE_T CurrentQuotaLimit,
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OUT PSIZE_T NewQuotaLimit
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)
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{
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UNIMPLEMENTED;
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return FALSE;
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}
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/**
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* Returns a specified amount of quota back to the global system pool.
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*
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* @param PoolType
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* Supplies the type of memory pool receiving the returned quota.
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*
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* @param ReturnedQuota
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* Supplies the amount of quota, in bytes, being returned to the system.
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*
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* @return This routine does not return any value.
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*
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* @since XT 1.0
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*/
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XTAPI
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VOID
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MM::Quota::ReturnPoolQuota(IN MMPOOL_TYPE PoolType,
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IN SIZE_T ReturnedQuota)
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{
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/* Route the returned quota to the appropriate pool */
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switch(PoolType)
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{
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case PagedPool:
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/* Return quota to the paged pool */
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PagedPoolQuota -= ReturnedQuota;
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break;
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default:
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/* Return quota to the non-paged pool */
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NonPagedPoolQuota -= ReturnedQuota;
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break;
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}
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}
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