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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:36:04 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:36:04 -0800 |
| commit | 249f3c4fe4fdef159d3f9b3f7a6c41a92103c860 (patch) | |
| tree | 58abfec8444741fd3bd403a908be50c4f63d4842 /mm/pgtable-generic.c | |
| parent | 54573c4a073ff510d028f423ed3074573c7d9437 (diff) | |
| parent | 18558cae0272f8fd9647e69d3fec1565a7949865 (diff) | |
Merge 4.5-rc4 into tty-next
We want the fixes in here, and this resolves a merge error in tty_io.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/pgtable-generic.c')
| -rw-r--r-- | mm/pgtable-generic.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 9d4767698a1c..06a005b979a7 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -90,9 +90,9 @@ pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address, * ARCHes with special requirements for evicting THP backing TLB entries can * implement this. Otherwise also, it can help optimize normal TLB flush in * THP regime. stock flush_tlb_range() typically has optimization to nuke the - * entire TLB TLB if flush span is greater than a threshhold, which will + * entire TLB if flush span is greater than a threshold, which will * likely be true for a single huge page. Thus a single thp flush will - * invalidate the entire TLB which is not desitable. + * invalidate the entire TLB which is not desirable. * e.g. see arch/arc: flush_pmd_tlb_range */ #define flush_pmd_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end) @@ -195,7 +195,9 @@ pmd_t pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long address, VM_BUG_ON(address & ~HPAGE_PMD_MASK); VM_BUG_ON(pmd_trans_huge(*pmdp)); pmd = pmdp_huge_get_and_clear(vma->vm_mm, address, pmdp); - flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE); + + /* collapse entails shooting down ptes not pmd */ + flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); return pmd; } #endif |