AM2434: Is it possible to increase "IPC Shared Memory Available(Bytes)" to more than 49152?

function getIpcSharedMemAvailable()
{
    /* The limit is determined by space set aside in OCRAM, but keep a reasonable default
     */
    return (48*1024);
}

MEMORY
{
    R5F_VECS   : ORIGIN = 0x0 , LENGTH = 0x40 
    R5F_TCMA   : ORIGIN = 0x40 , LENGTH = 0x7FC0 
    R5F_TCMB0   : ORIGIN = 0x41010000 , LENGTH = 0x8000 
    NON_CACHE_MEM   : ORIGIN = 0x70078000 , LENGTH = 0x8000 
    MSRAM   : ORIGIN = 0x70140000 , LENGTH = 0x40000 
    FLASH   : ORIGIN = 0x60280000 , LENGTH = 0x80000 

    /* For memory Regions not defined in this core but shared by other cores with the current core */

    USER_SHM_MEM   : ORIGIN = 0x701D0000 , LENGTH = 0x180  
    LOG_SHM_MEM   : ORIGIN = 0x701D0180 , LENGTH = 0x3E80  
    RTOS_NORTOS_IPC_SHM_MEM   : ORIGIN = 0x701D4000 , LENGTH = 0xC000  

}