Linus Torvalds <torvalds@xxxxxxxx> wrote:
On Mon, 31 Oct 2005, Andrew Morton wrote:
Are you sure these kernels are feature-equivalent?
They may not be feature-equivalent in reality, but it's hard to generate something that has the features (or lack there-of) of old kernels these days. Which is problematic.
Probably.
But some of it is likely also compilers. gcc does insane padding in many cases these days.
2.6.14 `make allnoconfig':
gcc-2.95.4:
bix:/usr/src/25> size vmlinux text data bss dec hex filename
665502 152379 55120 873001 d5229 vmlinux
gcc version 4.1.0 20050513 (experimental):
bix:/usr/src/25> size vmlinux
text data bss dec hex filename
761415 151851 55280 968546 ec762 vmlinux