Function Ext2AllocatePool

Ext4Fsd/debug.c:2615–2641

ULONG       Ext2TotalAllocates = 0;

PVOID
Ext2AllocatePool(
    IN POOL_TYPE PoolType,
    IN SIZE_T NumberOfBytes,
    IN ULONG Tag
)
{
    PUCHAR  Buffer =  ExAllocatePoolWithTag(
                          PoolType,
                          0x20 + NumberOfBytes,
                          Tag);
    if (Buffer) {
        KIRQL   Irql = 0;
        PULONG  Data = (PULONG)Buffer;
        Data[0] = (ULONG)NumberOfBytes;
        Data[1] = (ULONG)NumberOfBytes + 0x20;
        memset(Buffer + 0x08, 'S', 8);
        memset(Buffer + 0x10 + NumberOfBytes, 'E', 0x10);
        Buffer += 0x10;
        KeAcquireSpinLock(&Ext2MemoryLock, &Irql);
        Ext2TotalMemorySize = Ext2TotalMemorySize + NumberOfBytes;
        Ext2TotalAllocates += 1;
        KeReleaseSpinLock(&Ext2MemoryLock, Irql);
    }

    return Buffer;
}

VOID
Ext2FreePool(