Messages in this thread | | | From | Alexander Sverdlin <> | Subject | Re: [PATCH v5 0/4] ARM: ep93xx: ts72xx: Add support for BK3 board | Date | Wed, 20 Dec 2017 14:39:18 +0100 |
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Hi Arnd!
On Wed Dec 20 14:14:07 2017 Arnd Bergmann <arnd@arndb.de> wrote: > > If it will be still possible to build the binary kernel of the same > > size after the conversion, I'm in for testing, otherwise it will not > > fit into Flash any more... > > I think there is an increase in code size that comes mainly from the > common clock layer itself, plus a few bytes here and there. Obviously > the increase is much bigger if you actually enable multiple platforms. > > Here is the size of the uncompressed vmlinux file with the current > clk implementation, compared to a build with a build containing the > common clk code but no clock driver, and the separate clock > implementation we have today: > > text data bss dec hex filename > 4752655 1036028 128260 5916943 5a490f build/tmp/vmlinux-old-clk > 4780174 1040524 128284 5948982 5ac636 build/tmp/vmlinux-common-clk > 2491 1700 0 4191 105f > build/tmp/arch/arm/mach-ep93xx/clock.o > > The difference would come to about 0.7% of the current image size, > I guess around 1% when the other changes are included. Is that within > the margins you have, or is this already critical?
No, your numbers are promising, I was afraid of the increase of other orders of magnitude. So this should be fine.
Thanks for this info.
-- Alex.
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