> I am using a MCP8548 board with 2.6.14.5 kernel. > And I would like to upgrade memory from 512MB to 2048MB. > Finally, I realize this is not so easy as I think. I encounter several > problems. :~~ > > First, I change mem=512M to mem=2048M. > > 1. vmalloc fail problem > So, I change kernel config in "advanced setup" > Change "Set maximum low memory" from 0x30000000 to 0x80000000. > Change "Virtual address of kernel base" from 0xC0000000 to 0x60000000. > Change "Set custom user task size" from 0x80000000 to 0x60000000
Just enable CONFIG_HIGHMEM=y to use your 2GB. It's not worth the effort to try making it all accessible as lowmem. -Dale _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded