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I love using firmware-mod-kid to modify SoHo router firmware. The problem I encounter is that it often bloats the size of the image. It appears this happens during the mksquashfs step.
If I'm just unsquashing a filesystem and then resquashing it with the same compression, with no modifications, why is the resulting image larger than the original?
There is possible padding, try adding the -nopad option, assuming that you are using the same compression method.
