xtoskrnl/includes/ps/quota.hh

@@ -22,6 +22,7 @@ namespace PS
             STATIC KSPIN_LOCK QuotaLock;
 
         public:
+            STATIC VOID XTAPI InitializeQuota(VOID);
             STATIC XTFASTCALL VOID ReturnProcessQuota(IN PEPROCESS_QUOTA_BLOCK QuotaBlock,
                                                       IN PEPROCESS Process,
                                                       IN PS_QUOTA_TYPE QuotaType,

xtoskrnl/ps/psmgr.cc

@@ -77,4 +77,7 @@ PS::ProcessManager::InitializeProcessManager(VOID)
     ObjectTypeInitializer.GenericMapping = PS_THREAD_GENERIC_MAPPING;
     ObjectTypeInitializer.ValidAccessMask = SE_THREAD_ALL_ACCESS;
     OB::TypeRegistry::CreateObjectType(&ObjectTypeName, &ObjectTypeInitializer, NULLPTR, &ThreadType);
+
+    /* Initialize system quota */
+    PS::Quota::InitializeQuota();
 }

xtoskrnl/ps/quota.cc

@@ -67,6 +67,36 @@ PS::Quota::DereferenceQuotaBlock(IN PEPROCESS_QUOTA_BLOCK QuotaBlock)
     }
 }
 
+/**
+ * Initializes the system-wide process quota subsystem.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+VOID
+XTAPI
+PS::Quota::InitializeQuota(VOID)
+{
+    /* Initialize the quota lock */
+    KE::SpinLock::InitializeSpinLock(&QuotaLock);
+
+    /* Clear the default quota block */
+    RtlZeroMemory(&DefaultQuotaBlock, sizeof(DefaultQuotaBlock));
+
+    /* Set up the counters */
+    DefaultQuotaBlock.ProcessCount = 1;
+    DefaultQuotaBlock.ReferenceCount = 1;
+
+    /* Set up the limits */
+    DefaultQuotaBlock.QuotaEntry[PsNonPagedPool].Limit = (SIZE_T)-1;
+    DefaultQuotaBlock.QuotaEntry[PsPagedPool].Limit = (SIZE_T)-1;
+    DefaultQuotaBlock.QuotaEntry[PsPageFile].Limit = (SIZE_T)-1;
+
+    /* Assign the default quota block to the current process */
+    PS::Process::GetCurrentProcess()->QuotaBlock = &DefaultQuotaBlock;
+}
+
 /**
  * Returns a specified amount of quota to a quota block and updates process usage.
  *