server stalled with RCU during memory allocation issue

Issue

• Workload increase and system hang
• High CPU Load on server and there were no particular processes that were executing on the server at that time.
• Memory allocation failed errors

VxVM vxdmp V-5-3-0 memory allocation failed for size =0x117000
VxVM vxdmp V-5-0-2031 Cannot allocate mem of size 20xxx52 bytes
VxVM vxdmp V-5-3-0 memory allocation failed for size =0x117000
VxVM vxdmp V-5-0-2031 Cannot allocate mem of size 20xxx52 bytes
VxVM vxdmp V-5-3-0 memory allocation failed for size =0x117000
VxVM vxdmp V-5-0-2031 Cannot allocate mem of size 20xxx52 bytes
VxVM vxdmp V-5-3-0 memory allocation failed for size =0x117000