diff options
| author | Aneesh Kumar K.V | 2016-07-13 15:06:40 +0530 |
|---|---|---|
| committer | Michael Ellerman | 2016-08-01 11:15:10 +1000 |
| commit | d8e91e93e97817e8ba069c9c44fb712619cf0a43 (patch) | |
| tree | c216b85ba9187bcac0ba250562585be7753b38bc /arch/powerpc/include | |
| parent | 9d4dab11585ab2ef25d5d2a00a23b25b552c4080 (diff) | |
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/include')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/tlbflush-radix.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/tlbflush.h | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h index 7ee9a195fa9c..30fad5d78e30 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h @@ -12,6 +12,8 @@ static inline int mmu_get_ap(int psize) extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start, unsigned long end, int psize); +extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end); extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end); diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index 96e5769b18b0..0790c4e92a64 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -7,6 +7,15 @@ #include <asm/book3s/64/tlbflush-hash.h> #include <asm/book3s/64/tlbflush-radix.h> +#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE +static inline void flush_pmd_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ + if (radix_enabled()) + return radix__flush_pmd_tlb_range(vma, start, end); + return hash__flush_tlb_range(vma, start, end); +} + static inline void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { |