On Mon, Sep 20, 2021 at 11:46 AM Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, Sep 20, 2021 at 11:26 AM Ulrich Teichert > <krypton@xxxxxxxxxxxxxxxxxxx> wrote: > > > > The main trouble is that my system has only 64MB of memory and the smallest > > kernel image with all drivers I need was about 105MB big. > > Are you sure you aren't looking at some debug image? > > I just tried building something based on your Jensen config (lots of > new questions, you sent your old config from 4.18.0-rc5 time), and I > get > > [torvalds@ryzen linux]$ ll -h arch/alpha/boot/vmlinux* > -rwxr-xr-x. 1 torvalds torvalds 5.4M Sep 20 11:32 arch/alpha/boot/vmlinux > -rw-r--r--. 1 torvalds torvalds 2.3M Sep 20 11:32 arch/alpha/boot/vmlinux.gz > > so yeah, it's not exactly tiny, but at 5.4MB it's certainly not 105MB. > > The "vmlinux" file itself is huge, but that's due to CONFIG_DEBUG_INFO=y. > > You can easily disable DEBUG_INFO entirely (or at least do > DEBUG_INFO_REDUCED), and get much smaller files. > > With the attached config, the vmlinux file is just 7MB (but the actual > one you boot is that same 5.4M file because it's been stripped). > > NOTE! The attached config is basically just the one you sent me, with > "make defconfig" done and DEBUG_INFO removed. It might have drivers > missing, or extraneous code that you don't need because of all the > changes in config variables since that very old one. > > It would be very interesting to hear whether this all still boots. I > do think people still occasionally boot-test some other alpha > configurations, but maybe not. I test on a couple of alpha configurations with some regularity: Marvel (AlphaServer ES47) and Nautilus (UP1500). I have more systems I could test but I'd need to get a lot more organized to make space. In the decade plus I've been around Linux on alpha I've don't actually recall hearing of anyone using Linux on a Jensen system before :)
