> 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.
