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Merge tag 'core-mm-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull tlb gather updates from Ingo Molnar:
 "Theses fix MM (soft-)dirty bit management in the procfs code & clean
  up the TLB gather API"

* tag 'core-mm-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/ldt: Use tlb_gather_mmu_fullmm() when freeing LDT page-tables
  tlb: arch: Remove empty __tlb_remove_tlb_entry() stubs
  tlb: mmu_gather: Remove start/end arguments from tlb_gather_mmu()
  tlb: mmu_gather: Introduce tlb_gather_mmu_fullmm()
  tlb: mmu_gather: Remove unused start/end arguments from tlb_finish_mmu()
  mm: proc: Invalidate TLB after clearing soft-dirty page state
This commit is contained in:
Linus Torvalds
2021-02-21 12:19:56 -08:00
parent 9eef023345 8cf55f24ce
commit 7b15c27e2f
14 changed files with 60 additions and 65 deletions
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6
include/asm-generic/tlb.h
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@@ -46,7 +46,9 @@
*
* The mmu_gather API consists of:
*
* - tlb_gather_mmu() / tlb_finish_mmu(); start and finish a mmu_gather
* - tlb_gather_mmu() / tlb_gather_mmu_fullmm() / tlb_finish_mmu()
*
* start and finish a mmu_gather
*
* Finish in particular will issue a (final) TLB invalidate and free
* all (remaining) queued pages.
@@ -91,7 +93,7 @@
*
* - mmu_gather::fullmm
*
* A flag set by tlb_gather_mmu() to indicate we're going to free
* A flag set by tlb_gather_mmu_fullmm() to indicate we're going to free
* the entire mm; this allows a number of optimizations.
*
* - We can ignore tlb_{start,end}_vma(); because we don't