mem               220 kernel/vm.c      char *mem;
mem               228 kernel/vm.c        mem = kalloc();
mem               229 kernel/vm.c        if (mem == 0) {
mem               233 kernel/vm.c        memset(mem, 0, PGSIZE);
mem               234 kernel/vm.c        if (mappages(pagetable, a, PGSIZE, (uint64)mem, PTE_R | PTE_U | xperm) !=
mem               236 kernel/vm.c          kfree(mem);
mem               304 kernel/vm.c      char *mem;
mem               313 kernel/vm.c        if ((mem = kalloc()) == 0)
mem               315 kernel/vm.c        memmove(mem, (char *)pa, PGSIZE);
mem               316 kernel/vm.c        if (mappages(new, i, PGSIZE, (uint64)mem, flags) != 0) {
mem               317 kernel/vm.c          kfree(mem);
mem               461 kernel/vm.c      uint64 mem;
mem               469 kernel/vm.c      mem = (uint64)kalloc();
mem               470 kernel/vm.c      if (mem == 0)
mem               472 kernel/vm.c      memset((void *)mem, 0, PGSIZE);
mem               473 kernel/vm.c      if (mappages(pagetable, va, PGSIZE, mem, PTE_W | PTE_U | PTE_R) != 0) {
mem               474 kernel/vm.c        kfree((void *)mem);
mem               477 kernel/vm.c      return mem;
mem              2996 user/usertests.c   {mem, "mem"},