Why we can't change size of malloc heap for PSoC 6?

gistfile1.txt

$ vi libs/TARGET_CY8CPROTO-062-4343W/startup/TOOLCHAIN_GCC_ARM/startup_psoc6_02_cm4.S
--snip--
__StackTop:
    .size    __StackTop, . - __StackTop

    .section .heap
    .align    3
    .equ    Heap_Size, 0x00000100
    .globl    __HeapBase
    .globl    __HeapLimit
__HeapBase:
    .if    Heap_Size
    .space    Heap_Size
    .endif
    .size    __HeapBase, . - __HeapBase
--snip--
$ make clean
$ make build
--snip--
Calculating memory consumption: CY8C624ABZI-D44 GCC_ARM -Og

   --------------------------------------------------
  | Section Name         |  Address      |  Size     |
   --------------------------------------------------
  | .cy_m0p_image        |  0x10000000   |  5068     |
  | .text                |  0x10002000   |  41060    |
  | .ARM.exidx           |  0x1000c064   |  8        |
  | .copy.table          |  0x1000c06c   |  24       |
  | .zero.table          |  0x1000c084   |  8        |
  | .data                |  0x080022e0   |  1912     |
  | .cy_sharedmem        |  0x08002a58   |  8        |
  | .noinit              |  0x08002a60   |  148      |
  | .bss                 |  0x08002af4   |  836      |
  | .heap                |  0x08002e38   |  1030600  |
   --------------------------------------------------

  Total Internal Flash (Available)          2097152
  Total Internal Flash (Utilized)           51220

  Total Internal SRAM (Available)           1046528
  Total Internal SRAM (Utilized)            1033504