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| author | Catalin Marinas <catalin.marinas@arm.com> | 2012-07-25 14:39:26 +0100 |
|---|---|---|
| committer | Steve Capper <steve.capper@linaro.org> | 2013-06-04 16:52:38 +0100 |
| commit | 8d962507007357d6fbbcbdd1647faa389a9aed6d (patch) | |
| tree | 019135b49067394cfd3c002d4900aba91089f66f /arch/arm/include/asm/tlb.h | |
| parent | 1355e2a6eb88f04d76125c057dc5fca64d4b6a9e (diff) | |
| download | linux-8d962507007357d6fbbcbdd1647faa389a9aed6d.tar.gz linux-8d962507007357d6fbbcbdd1647faa389a9aed6d.tar.bz2 linux-8d962507007357d6fbbcbdd1647faa389a9aed6d.zip | |
ARM: mm: Transparent huge page support for LPAE systems.
The patch adds support for THP (transparent huge pages) to LPAE
systems. When this feature is enabled, the kernel tries to map
anonymous pages as 2MB sections where possible.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
[steve.capper@linaro.org: symbolic constants used, value of
PMD_SECT_SPLITTING adjusted, tlbflush.h included in pgtable.h,
added PROT_NONE support.]
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/include/asm/tlb.h')
| -rw-r--r-- | arch/arm/include/asm/tlb.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 99a19512ee26..bdc62da2f212 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -223,6 +223,12 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, #endif } +static inline void +tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) +{ + tlb_add_flush(tlb, addr); +} + #define pte_free_tlb(tlb, ptep, addr) __pte_free_tlb(tlb, ptep, addr) #define pmd_free_tlb(tlb, pmdp, addr) __pmd_free_tlb(tlb, pmdp, addr) #define pud_free_tlb(tlb, pudp, addr) pud_free((tlb)->mm, pudp) |