Documentation: Add statistics about nested locks
Documentation: Add statistics about nested locks

Explain what the trailing "/1" on some lock class names of
lock_stat output means.

Reviewed-by: Yong Zhang <34add0fe16a1faf9b30949dc3d806c0448f6a801@gmail.com>
Signed-off-by: Juri Lelli <bdc6bcd4e8b34b4b92413d758024aeca6da0e459@gmail.com>
Signed-off-by: Peter Zijlstra <645ca7d3a8d3d4f60557176cd361ea8351edc32b@chello.nl>
Link: 2dd3e778773b9b0e64a7eee96ef673a462969af8@gmail.com
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas