buffer_space_offset 1078 drivers/android/binder_alloc.c binder_size_t buffer_space_offset = buffer_offset + buffer_space_offset 1080 drivers/android/binder_alloc.c pgoff_t pgoff = buffer_space_offset & ~PAGE_MASK; buffer_space_offset 1081 drivers/android/binder_alloc.c size_t index = buffer_space_offset >> PAGE_SHIFT;