История изменений

~/dev> cat alloc.cc 
int main()
{
    int* LargeArray = new int[262144000000];
    LargeArray[262143999999] = 115;

    return 0;
}
~/dev> clang++ alloc.cc -o alloc
~/dev> ./alloc                  
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
zsh: abort      ./alloc
~/dev> sudo sysctl vm/overcommit_memory 
vm.overcommit_memory = 0
~/dev> sudo sysctl vm/overcommit_memory=1
vm.overcommit_memory = 1
~/dev> ./alloc                           
~/dev> 

~/dev> cat alloc.cc 
int main()
{
    int* LargeArray = new int[262144000000];
    LargeArray[262143999999] = 115;

    return 0;
}
~/dev> clang++ alloc.cc -o alloc
~/dev> ./alloc                  
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
zsh: abort      ./alloc