Yes, and that's what VDSO is for - the same way the VDSO clock_gettime can compute current time without entering kernelspace.
It uses a page of read-only data exported from the kernel to userspace and kernel-provided code to read/process that data.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
It uses a page of read-only data exported from the kernel to userspace and kernel-provided code to read/process that data.