Re: [PATCH v2] mm: kfence: allocate kfence_metadata at runtime

[Alexander Potapenko]

> Below is the numbers obtained in qemu (with default 256 objects).
> before: Memory: 8134692K/8388080K available (3668K bss)
> after: Memory: 8136740K/8388080K available (1620K bss)
> More than expected, it saves 2MB memory. It can be seen that the size
> of the .bss section has changed, possibly because it affects the linker.

The size of .bss should only change by ~288K. Perhaps it has crossed
the alignment boundary for .bss, but this effect cannot be guaranteed
and does not depend exclusively on this patch.
I suggest that you omit these lines from the patch description, as
they may confuse the readers.