mm:Fix conflict of speculative fault and MGLRU

the LRU algorithm doesn't apply to sequential or random reads
handle this case in speculative fault
Moto-CRs-Fixed:(CR)

Change-Id: Ia968c3903e05ee0acb6ae503537ece47e80b099f
Signed-off-by: a17671 <a17671@motorola.com>
Reviewed-on: https://gerrit.mot.com/2270849
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key

mm/memory.c

@@ -4791,7 +4791,9 @@ int __handle_speculative_fault(struct mm_struct *mm, unsigned long address,
 	}
 
 	mem_cgroup_enter_user_fault();
+	lru_gen_enter_fault(vmf.vma);
 	ret = handle_pte_fault(&vmf);
+	lru_gen_exit_fault();
 	mem_cgroup_exit_user_fault();
 
 	/*