x86/mm/tlb: Privatize cpu_tlbstate
cpu_tlbstate is mostly private and only the variable is_lazy is shared. This causes some false-sharing when TLB flushes are performed. Break cpu_tlbstate intro cpu_tlbstate and cpu_tlbstate_shared, and mark each one accordingly. Signed-off-by: NNadav Amit <namit@vmware.com> Signed-off-by: NIngo Molnar <mingo@kernel.org> Reviewed-by: NDave Hansen <dave.hansen@linux.intel.com> Link: https://lore.kernel.org/r/20210220231712.2475218-6-namit@vmware.com
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