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| author | Will Deacon <will.deacon@arm.com> | 2012-08-24 15:23:06 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-08-25 09:15:57 +0100 |
| commit | df547e08e800275a431e560a7f0a6b6f24ab2904 (patch) | |
| tree | cd2478e4437d45984e9f45256d656433798a275a /arch/arm | |
| parent | ae3790b8a916429be5fa61da95992929e6b34d64 (diff) | |
| download | talos-obmc-linux-df547e08e800275a431e560a7f0a6b6f24ab2904.tar.gz talos-obmc-linux-df547e08e800275a431e560a7f0a6b6f24ab2904.zip | |
ARM: 7503/1: mm: only flush both pmd entries for classic MMU
LPAE does not use two pmd entries for a pte, so the additional tlb
flushing is not required.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/tlb.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 314d4664eae7..99a19512ee26 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -199,6 +199,9 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, { pgtable_page_dtor(pte); +#ifdef CONFIG_ARM_LPAE + tlb_add_flush(tlb, addr); +#else /* * With the classic ARM MMU, a pte page has two corresponding pmd * entries, each covering 1MB. @@ -206,6 +209,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, addr &= PMD_MASK; tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE); tlb_add_flush(tlb, addr + SZ_1M); +#endif tlb_remove_page(tlb, pte); } |
