Re: _ebss == _edata if MMU

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Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> writes:

On ARAnyM:

Virtual kernel memory layout:
    vector  : 0x002f4d10 - 0x002f5110   (   1 KiB)
    kmap    : 0xd0000000 - 0xf0000000   ( 512 MiB)
    vmalloc : 0x11800000 - 0xd0000000   (3048 MiB)
    lowmem  : 0x00000000 - 0x11000000   ( 272 MiB)
      .init : 0x00319000 - 0x0033c000   ( 140 KiB)
      .text : 0x00001000 - 0x002487b8   (2334 KiB)
      .data : 0x0024b540 - 0x00318a40   ( 822 KiB)
      .bss  : 0x002f4ae0 - 0x00318a40   ( 144 KiB)

End of data and end of bss are identical, as arch/m68k/kernel/vmlinux-std.lds
says bss is a subset of data:

It's just the _edata symbol, I don't think this is a problem.  After
all, bss is only zero-initialized data, thus still part of kernel data.

Andreas.

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