Linux 6.12 adds the SCHED_EXT constant. Add it to glibc's bits/sched.h and update the kernel version in tst-sched-consts.py. Tested for x86_64.
This patch updates the kernel version in the tests tst-mount-consts.py, and tst-sched-consts.py to 6.11. There are no new constants covered by these tests in 6.11. Tested with build-many-glibcs.py. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
And add a test, misc/tst-sched-consts, that checks consistency with <sched.h>. Reviewed-by: Carlos O'Donell <carlos@redhat.com>