ARM: orion5x/dove/mv78xx0 multiplatform
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Cover letter [PATCH 0/5] ARM: orion5x/dove/mv78xx0 multiplatform
Quoted 22 lines · Arnd Bergmann
Quoted 10 lines · On Thursday 10 December 2015 14:18:11 Arnd Bergmann wrote:
Quoted 7 lines · On Thursday 10 December 2015 13:56:05 Detlef Vollmann wrote:
The bad news:
My own config (which is massivly stripped down) produces a kernel image that's more than 26K bigger than on v4.4-rc3 without any added functionality.
The DNS-323 is extremly constrained in space (the whole system including boot loader, kernel and filesystem has to fit into 8M flash). Any ideas how I can get rid of this additional overhead?Quoted 2 lines
Can you send me your config file? I can have a look.
I've done a quick check with an allnoconfig-like test and it seems that
CONFIG_OFis weighing in at around 86K here, with all the other options it pulls in, comparing an allnoconfig kernel for DS-323 with one that hasCONFIG_OFenabled as well.The multiplatform kernel also enables
CONFIG_OFunconditionally, but is otherwise a little smaller than the mach-orion5x based one:
Quoted 7 lines
text data bss dec hex filename
942144 64112 17648 1023904 f9fa0 build/tmp/vmlinux-orion-allno 1027516 54052 20824 1102392 10d238 build/tmp/vmlinux-multi-plus-orion 1025320 66020 18744 1110084 10f044 build/tmp/vmlinux-orion-plus-ofThe diff below shows all the differences between orion-allno and multi-plus-orion.
How did you get the orion-allno config and how did you get it compiled? I tried to apply your changes to my config and compile it, but it started silentoldconfig which introduced back 'ARCH_MULTIPLATFORM'
Detlef