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PD#SWPL-196409 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 period Verify: sc2_ah212 Change-Id: I70212798beb3660836201e6ad5f3ebf7e27b66b8 Signed-off-by: biao.sun <biao.sun@amlogic.com>