!1852 arm64: support batched/deferred tlb shootdown during page reclamation/migration

Merge Pull Request from: @ci-robot 
 
PR sync from: Jinjiang Tu <tujinjiang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/EP3I3LIWZJK6QHJPE6SA4KNXJO2ACWCI/ 
Support batched/deferred tlb shootdown during page reclamation/migration
for arm64.

Changelog:
v6:
 - move kabi fix code into a separate patch.

v5:
 - adjust tab num for macro DEFINE_TLB_UBC

v4
 - define macro DEFINE_TLB_UBC

v3:
 - fix kabi breakage for task_struct->tlb_ubc

v2:
 - fix kabi breakage for mm_struct->tlb_flush_batched

Anshuman Khandual (1):
  mm/tlbbatch: introduce arch_tlbbatch_should_defer()

Barry Song (2):
  mm/tlbbatch: rename and extend some functions
  arm64: support batched/deferred tlb shootdown during page
    reclamation/migration

Jinjiang Tu (1):
  mm/tlbbatch: fix kabi change

Yicong Yang (1):
  mm/tlbbatch: introduce arch_flush_tlb_batched_pending()


-- 
2.25.1
 
https://gitee.com/openeuler/kernel/issues/I7U78A 
 
Link:https://gitee.com/openeuler/kernel/pulls/1852

 

Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>