Download/kernel/rhel6-testing/042stab078.10/changes

Changes

• [fs] one more fix for fsync locking to prevent possible deadlock (PSBM-19460)
• several memset argument fixes found by new gcc here and there
• [cpt] introduce "cpt.suspend_timeout_sec" sysctl -- time to wait tasks to be frozen (PSBM-18523)

10 sec by default, range: 10 sec - 1 hour.

• [fairsched] performance optimization in sys_fairsched_mvpr() (PCLIN-26766)
• [mm] memory commitment for unlimited CTs is calculated now as max of mem commitments of limited CTs on the node + 1 Gb (if the node is overcommitted). Before this unlimited CTs had mem commitment = 0
• [mm] lru_lock contention check in isolate_migratepages() has been fixed (PCLIN-31759)
• [RKU/mm] shmem pages handling/charging has been corrected (PSBM-19792)
• [mm] error-path chunk has been moved to the write place in the __unmap_and_move() function (PSBM-19858)