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由 Peter Zijlstra 提交于
mainline inclusion from mainline-4.20-rc1 commit: 196d9d8b category: feature feature: Reduce synchronous TLB invalidation on ARM64 bugzilla: NA CVE: NA -------------------------------------------------- In preparation for maintaining the mmu_gather code as its own entity, move the implementation out of memory.c and into its own file. Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Signed-off-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NHanjun Guo <guohanjun@huawei.com> Reviewed-by: NXuefeng Wang <wxf.wang@hisilicon.com> Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
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