On Sun, 2017-08-20 at 21:16 +0900, Roger Shimizu wrote: > On Sun, Aug 20, 2017 at 6:54 AM, Ben Hutchings <ben@decadent.org.uk> > wrote: > > On Sun, 2017-08-20 at 02:35 +0900, Roger Shimizu wrote: > > > > > > The real problem is kernel size (after decompression) increased > > > from > > > 5MB to 8MB. (detail is in my previous post) > > > This looks like a bug, since usually kernel size grows gradually, > > > not > > > in +3MB way this time. > > > > Some things to check: > > > > - If you build 4.10 with the config used for 4.11 (whichever is the > > first larger one), is the size 5 MB or 8 MB? > > I build vanilla kernel with debian config, and here's the result. > (images are under arch/arm/boot/) > > linux_4.10.7 with debian 4.10.7 config > -rwxr-xr-x 1 rosh rosh 5757504 Aug 20 06:40 Image > -rwxr-xr-x 1 rosh rosh 2012496 Aug 20 06:40 zImage > > linux_4.11.6 with debian 4.11.6 config > -rwxr-xr-x 1 rosh rosh 8763712 Aug 20 07:03 Image > -rwxr-xr-x 1 rosh rosh 2064576 Aug 20 07:03 zImage > > linux_4.11.6 with debian 4.10.7 config > -rwxr-xr-x 1 rosh rosh 5891216 Aug 20 07:43 Image > -rwxr-xr-x 1 rosh rosh 2049216 Aug 20 07:43 zImage > > linux_4.10.7 with debian 4.11.6 config > -rwxr-xr-x 1 rosh rosh 5811408 Aug 20 07:56 Image > -rwxr-xr-x 1 rosh rosh 2032704 Aug 20 07:56 zImage > > So it seems the problem is pointing to config changes since 4.11. OK, then try using 4.11.6 source and bisecting the Debian config changes. Ben. -- Ben Hutchings It is a miracle that curiosity survives formal education. - Albert Einstein
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