mem               213 kernel/vm.c      char *mem;
mem               217 kernel/vm.c      mem = kalloc();
mem               218 kernel/vm.c      memset(mem, 0, PGSIZE);
mem               219 kernel/vm.c      mappages(pagetable, 0, PGSIZE, (uint64)mem, PTE_W|PTE_R|PTE_X|PTE_U);
mem               220 kernel/vm.c      memmove(mem, src, sz);
mem               228 kernel/vm.c      char *mem;
mem               236 kernel/vm.c        mem = kalloc();
mem               237 kernel/vm.c        if(mem == 0){
mem               241 kernel/vm.c        memset(mem, 0, PGSIZE);
mem               242 kernel/vm.c        if(mappages(pagetable, a, PGSIZE, (uint64)mem, PTE_R|PTE_U|xperm) != 0){
mem               243 kernel/vm.c          kfree(mem);
mem               311 kernel/vm.c      char *mem;
mem               320 kernel/vm.c        if((mem = kalloc()) == 0)
mem               322 kernel/vm.c        memmove(mem, (char*)pa, PGSIZE);
mem               323 kernel/vm.c        if(mappages(new, i, PGSIZE, (uint64)mem, flags) != 0){
mem               324 kernel/vm.c          kfree(mem);
mem              2605 user/usertests.c   {mem, "mem"},