mem               219 kernel/vm.c      char *mem;
mem               227 kernel/vm.c        mem = kalloc();
mem               228 kernel/vm.c        if(mem == 0){
mem               232 kernel/vm.c        memset(mem, 0, PGSIZE);
mem               233 kernel/vm.c        if(mappages(pagetable, a, PGSIZE, (uint64)mem, PTE_R|PTE_U|xperm) != 0){
mem               234 kernel/vm.c          kfree(mem);
mem               302 kernel/vm.c      char *mem;
mem               311 kernel/vm.c        if((mem = kalloc()) == 0)
mem               313 kernel/vm.c        memmove(mem, (char*)pa, PGSIZE);
mem               314 kernel/vm.c        if(mappages(new, i, PGSIZE, (uint64)mem, flags) != 0){
mem               315 kernel/vm.c          kfree(mem);
mem               455 kernel/vm.c      uint64 mem;
mem               464 kernel/vm.c      mem = (uint64) kalloc();
mem               465 kernel/vm.c      if(mem == 0)
mem               467 kernel/vm.c      memset((void *) mem, 0, PGSIZE);
mem               468 kernel/vm.c      if (mappages(p->pagetable, va, PGSIZE, mem, PTE_W|PTE_U|PTE_R) != 0) {
mem               469 kernel/vm.c        kfree((void *)mem);
mem               472 kernel/vm.c      return mem;
mem              2732 user/usertests.c   {mem, "mem"},