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"},