On 22/09/17 11:03, Joe Perches wrote: > On Fri, 2017-09-22 at 09:23 +0200, Julia Lawall wrote: >> >> On Thu, 21 Sep 2017, Colin King wrote: >> >>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> >>> >>> Don't populate const array ac_to_fifo on the stack in an inlined >>> function, instead make it static. Makes the object code smaller >>> by over 800 bytes: >>> >>> text data bss dec hex filename >>> 159029 33154 1216 193399 2f377 4965-mac.o >>> >>> text data bss dec hex filename >>> 158122 33250 1216 192588 2f04c 4965-mac.o >>> >>> (gcc version 7.2.0 x86_64) >> >> Gcc 7 must be much more aggressive about inlining than gcc 4. Here is the >> change that I got on this file: >> >> text data bss dec hex filename >> - 76346 1494 152 77992 130a8 drivers/net/wireless/intel/iwlegacy/4965-mac.o >> + 76298 1494 152 77944 13078 drivers/net/wireless/intel/iwlegacy/4965-mac.o >> decrease of 48 > > More likely different CONFIG options. > > e.g. allyesconfig vs defconfig with wireless > yup, I used allyesconfig
