mm/filemap.c:861:2: error: member reference type 'spinlock_t' (aka 'struct spinlock') is not a pointer; did you mean to use '.'?
mm/filemap.c:861:2: error: cannot take the address of an rvalue of type 'struct lockdep_map'
mm/filemap.c:941:3: error: member reference type 'spinlock_t' (aka 'struct spinlock') is not a pointer; did you mean to use '.'?
mm/filemap.c:941:3: error: cannot take the address of an rvalue of type 'struct lockdep_map'
mm/filemap.c:944:3: error: member reference type 'spinlock_t' (aka 'struct spinlock') is not a pointer; did you mean to use '.'?
mm/filemap.c:944:3: error: cannot take the address of an rvalue of type 'struct lockdep_map'