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PD#SWPL-184150 Problem: add memory related trace info Solution: 1, __alloc_page and __alloc_pages_slowpath: use trace event and vendor hook 2, cma_alloc: use vendor hook in aml_cma.ko 3, handle_pte_fault: use kretprobe 4, trace meminfo periodly Verify: sc2_ah212 Change-Id: Icf5695f421832c00c5cad7026663f66b2dcc58a5 Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>