On Mon, Jul 17, 2023 at 09:10:03PM +0800, Yicong Yang wrote: > From: Yicong Yang <yangyicong@xxxxxxxxxxxxx> > > Currently we'll flush the mm in flush_tlb_batched_pending() to > avoid race between reclaim unmaps pages by batched TLB flush > and mprotect/munmap/etc. Other architectures like arm64 may > only need a synchronization barrier(dsb) here rather than > a full mm flush. So add arch_flush_tlb_batched_pending() to > allow an arch-specific implementation here. This intends no > functional changes on x86 since still a full mm flush for > x86. > > Signed-off-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx> Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
