Description: sched/fair: Don't free p->numa_faults with concurrent readers
References:
 https://bugs.chromium.org/p/project-zero/issues/detail?id=1913
Notes:
Bugs:
upstream: released (5.3-rc2) [16d51a590a8ce3befb1308e0e7ab77f3b661af33]
4.19-upstream-stable: released (4.19.64) [48046e092ad557a01d7daf53205624944793b19d]
4.9-upstream-stable: released (4.9.187) [837ffc9723f04aeb5bf252ef926c16aea1f5a0ee]
sid: released (5.2.6-1)
4.19-buster-security: released (4.19.67-1)
4.9-stretch-security: released (4.9.189-1)