{
    PLIST_ENTRY NextEntry;
    BOOLEAN DriverFound = FALSE;
    PMI_LARGE_PAGE_DRIVER_ENTRY LargePageDriverEntry;
    ASSERT(KeGetCurrentIrql () <= APC_LEVEL);
    ASSERT(*ImageBaseAddress >= MmSystemRangeStart);

#ifdef _X86_
    if (!(KeFeatureBits & KF_LARGE_PAGE)) return FALSE;
    if (!(__readcr4() & CR4_PSE)) return FALSE;
#endif

    /* Make sure there's enough system PTEs for a large page driver */
    if (MmTotalFreeSystemPtes[SystemPteSpace] < (16 * (PDE_MAPPED_VA >> PAGE_SHIFT)))
    {
        return FALSE;
    }

    /* This happens if the registry key had a "*" (wildcard) in it */
    if (MiLargePageAllDrivers == 0)
    {
        /* It didn't, so scan the list */
        NextEntry = MiLargePageDriverList.Flink;
        while (NextEntry != &MiLargePageDriverList)
        {
            /* Check if the driver name matches */
            LargePageDriverEntry = CONTAINING_RECORD(NextEntry,
                                                     MI_LARGE_PAGE_DRIVER_ENTRY,
                                                     Links);
            if (RtlEqualUnicodeString(BaseImageName,
                                      &LargePageDriverEntry->BaseName,
                                      TRUE))
            {
                /* Enable large pages for this driver */
                DriverFound = TRUE;
                break;
            }

            /* Keep trying */
            NextEntry = NextEntry->Flink;
        }

        /* If we didn't find the driver, it doesn't need large pages */
        if (DriverFound == FALSE) return FALSE;
    }

    /* Nothing to do yet */
    DPRINT1("Large pages not supported!\n");
    return FALSE;
}

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