diff options
| author | Aneesh Kumar K.V | 2016-07-13 11:36:40 +0200 |
|---|---|---|
| committer | Michael Ellerman | 2016-08-01 03:15:10 +0200 |
| commit | d8e91e93e97817e8ba069c9c44fb712619cf0a43 (patch) | |
| tree | c216b85ba9187bcac0ba250562585be7753b38bc /arch/powerpc/mm/tlb-radix.c | |
| parent | powerpc/mm: Drop multiple definition of mm_is_core_local (diff) | |
| download | kernel-qcow2-linux-d8e91e93e97817e8ba069c9c44fb712619cf0a43.tar.gz kernel-qcow2-linux-d8e91e93e97817e8ba069c9c44fb712619cf0a43.tar.xz kernel-qcow2-linux-d8e91e93e97817e8ba069c9c44fb712619cf0a43.zip | |
powerpc/mm/radix: Add tlb flush of THP ptes
Instead of flushing the entire mm, implement a flush_pmd_tlb_range
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/tlb-radix.c')
| -rw-r--r-- | arch/powerpc/mm/tlb-radix.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index 4d0f03ad0996..456c155fe76c 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -391,3 +391,10 @@ void radix__flush_tlb_lpid(unsigned long lpid) asm volatile("eieio; tlbsync; ptesync": : :"memory"); } EXPORT_SYMBOL(radix__flush_tlb_lpid); + +void radix__flush_pmd_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ + radix__flush_tlb_range_psize(vma->vm_mm, start, end, MMU_PAGE_2M); +} +EXPORT_SYMBOL(radix__flush_pmd_tlb_range); |