are these sizes fixed or calculated according the space requirement? Looks like the linux size is fixed, what is the maximum size for a kernel on wrt54g?
.. ede On 10.05.2010 23:28, Matthias Buecher / Germany wrote: > Kernel and rootfs are in two different mtd partitions on the WRT54G: > > # dmesg > ... > Creating 5 MTD partitions on "Physically mapped flash": > 0x00000000-0x00040000 : "cfe" > 0x00040000-0x003f0000 : "linux" > 0x000bc000-0x00210000 : "rootfs" > mtd: partition "rootfs" doesn't start on an erase block boundary -- > force read-only > 0x003f0000-0x00400000 : "nvram" > 0x00210000-0x003f0000 : "rootfs_data" > ... > > So it is moved from "rootfs" to "linux" in this case. > > Maddes > > On 10.05.2010 22:53, edgar.sol...@web.de wrote: >> but wouldn't the increase in the kernel image actually equal the >> decrease in the squash image and therefore the size of the rootfs_data >> stay the same? Both are lzma compressed. >> >> ..ede >> >> >> On 10.05.2010 19:16, Matthias Buecher / Germany wrote: >>> It may not downsize the packages themselves, but moving kernel mods from >>> rootfs to the kernel image will reduce the rootfs size. Leaving more >>> space for JFFS2 rootfs_data. >>> >>> Having a "K" setting for kernel options would be great. >>> Will try to have a look at it during the next weeks. >>> >>> Thanks for all your help >>> Maddes >>> >>> On 10.05.2010 17:20, edgar.sol...@web.de wrote: >>>> there is partly in >>>> https://dev.openwrt.org/browser/trunk/include/kernel-defaults.mk >>>> line 101 >>>> >>>> you can actually add >>>> CONFIG_KERNEL_* >>>> entries to your .config and they are copied over as CONFIG_* to the >>>> kernel config. All that's missing is a menuconfig interface for that. >>>> >>>> But at least for routers using lzma squashfs for the initial image this >>>> will probably not downsize anything. >>>> >>>> .. ede >>>> >>>> >>>> On 10.05.2010 16:19, Stefan Monnier wrote: >>>>>> In 'make menuconfig' I included them with 'Y' instead of 'M'. >>>>>> According to my (newbie) knowledge that adds them to the kernel image. >>>>>> Can somebody please confirm my understanding? Or at least prove me >>>>>> wrong? :D >>>>> Damn! I thought you had found a clever way to get them compiled into >>>>> the kernel. >>>>> I still hope some day someone will write the extra code needed so that >>>>> "make menuconfig" can be told to build some modules right into >>>>> the kernel. >>>>> >>>>> >>>>> Stefan >>>>> >>> _______________________________________________ >>> openwrt-devel mailing list >>> openwrt-devel@lists.openwrt.org >>> https://lists.openwrt.org/mailman/listinfo/openwrt-devel >> >> _______________________________________________ >> openwrt-devel mailing list >> openwrt-devel@lists.openwrt.org >> https://lists.openwrt.org/mailman/listinfo/openwrt-devel > _______________________________________________ > openwrt-devel mailing list > openwrt-devel@lists.openwrt.org > https://lists.openwrt.org/mailman/listinfo/openwrt-devel _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
