Ralf Baechle <ralf@xxxxxxxxxxxxxx> writes: > On Tue, Sep 29, 2015 at 12:59:56PM +0100, Måns Rullgård wrote: > >> Ralf Baechle <ralf@xxxxxxxxxxxxxx> writes: >> >> > On Tue, Sep 29, 2015 at 12:28:55PM +0200, Ralf Baechle wrote: >> > >> >> text data bss dec hex filename >> >> 3996071 155804 88992 4240867 40b5e3 vmlinux ip22 baseline >> >> 3985687 159900 88992 4234579 409d53 vmlinux ip22 + bswap patch >> >> 6913157 378552 251024 7542733 7317cd vmlinux ip27 baseline >> >> 6878581 378552 251024 7508157 7290bd vmlinux ip27 + bswap patch >> >> 5773777 268752 187424 6229953 5f0fc1 vmlinux malta baseline >> >> 5773401 268752 187424 6229577 5f0e49 vmlinux malta + bswap patch >> > >> > A still unexplained effect of this patch and the reason why I have not >> > committed this patch is the increase of the data size for the ip22 >> > configuration by 4096 bytes. There is no change in data size expected. >> > Also this affects only the test with ip22_defconfig not any of the others >> > I've tried. >> >> Have you checked which object file(s) the increase comes from? > > The data size difference is created in the final link stage. data for > all inividual .o files even vmlinux.o; only vmlinux differs. Could it be an alignment thing. Check if the alignment of some data section has changed from something smaller to 4096. -- Måns Rullgård mans@xxxxxxxxx