Make system calls in xv6 kernelgetnicesetnicepsAdd your syscall to usys.SAdd syscall number to syscall.hAdd extern and syscall element in syscall.cAdd
Completely Fucking Schedular
process의 virtual address space와 physical address space가 mapping 되어 있음physical memory 할당은 main 함수의 kinit1, kinit2 함수를 통해 이루어짐모든 physical memory가 boot t