Re: [PATCH v3 4/4] arm64: support batched/deferred tlb shootdown during page reclamation
From: Anshuman Khandual <hidden>
Date: 2022-09-20 03:00:38
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On 8/22/22 13:51, Yicong Yang wrote:
+static inline bool arch_tlbbatch_should_defer(struct mm_struct *mm)
+{
+ return true;
+}This needs to be conditional on systems, where there will be performance improvements, and should not just be enabled all the time on all systems. num_online_cpus() > X, which does not hold any cpu hotplug lock would be a good metric ? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel