diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2015-02-27 19:36:35 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-10-17 17:48:21 +0530 |
| commit | 722fe8fd365a08bd53e9dd105009ab810107b02d (patch) | |
| tree | 4077fb1d215b61bc53e3b5a5a34ea584c92ceac3 /arch/arc/include | |
| parent | 12ebc1581ad114543ae822aa3a12f76072e2f902 (diff) | |
| download | linux-722fe8fd365a08bd53e9dd105009ab810107b02d.tar.bz2 | |
ARCv2: mm: THP: Implement flush_pmd_tlb_range() optimization
Implement the TLB flush routine to evict a sepcific Super TLB entry,
vs. moving to a new ASID on every such flush.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include')
| -rw-r--r-- | arch/arc/include/asm/hugepage.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h index 1d0700c32b82..c5094de86403 100644 --- a/arch/arc/include/asm/hugepage.h +++ b/arch/arc/include/asm/hugepage.h @@ -74,4 +74,8 @@ extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, #define __HAVE_ARCH_PGTABLE_WITHDRAW extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); +#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE +extern void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); + #endif |