Memory usage of a process

Hello, analysing the memory usage of a process, I found some questions. I'am using a system with 128 MB physical RAM, no disk, 2.6.27 kernel. Running top, I see 38 MB in use, 90 MB free, but a VSZ for my process of 158 MB. Looking at /proc//maps, I see that the process uses 140 MB without shared

U-Boot image

Hello, I'am looking for an image to boot a embedded device with a single image. I though the generated uImage in arch/powerpc/boot should work, but u-boot cannot but this, because the addresses of initrd and dtb not found. Now I'am creating the image by hand with mkimage: mkimage -A ppc -n F302