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| author | Steve Capper <steve.capper@linaro.org> | 2013-04-19 17:23:57 +0200 |
|---|---|---|
| committer | Steve Capper <steve.capper@linaro.org> | 2013-06-14 10:52:41 +0200 |
| commit | af07484863e0c20796081e57093886c22dc16705 (patch) | |
| tree | c9891c1048f860413c7cfd79e2b7a686c8be0263 /arch/arm64/include/asm/tlb.h | |
| parent | ARM64: mm: Raise MAX_ORDER for 64KB pages and THP. (diff) | |
| download | linux-af07484863e0c20796081e57093886c22dc16705.tar.xz linux-af07484863e0c20796081e57093886c22dc16705.zip | |
ARM64: mm: THP support.
Bring Transparent HugePage support to ARM. The size of a
transparent huge page depends on the normal page size. A
transparent huge page is always represented as a pmd.
If PAGE_SIZE is 4KB, THPs are 2MB.
If PAGE_SIZE is 64KB, THPs are 512MB.
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/tlb.h')
| -rw-r--r-- | arch/arm64/include/asm/tlb.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h index 654f0968030b..46b3beb4b773 100644 --- a/arch/arm64/include/asm/tlb.h +++ b/arch/arm64/include/asm/tlb.h @@ -187,4 +187,10 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, #define tlb_migrate_finish(mm) do { } while (0) +static inline void +tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) +{ + tlb_add_flush(tlb, addr); +} + #endif |