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| author | Becky Bruce <beckyb@kernel.crashing.org> | 2011-11-28 14:43:33 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-12-07 16:26:24 +1100 |
| commit | d93e4d7d72037d8c9405e8d404ecb2ee162adc25 (patch) | |
| tree | ae6a9e67f9232a7d48b6df8d17f9b075e1919955 | |
| parent | 1257a765479224e7c16f22218dfba48ffa6e6632 (diff) | |
| download | talos-op-linux-d93e4d7d72037d8c9405e8d404ecb2ee162adc25.tar.gz talos-op-linux-d93e4d7d72037d8c9405e8d404ecb2ee162adc25.zip | |
powerpc/book3e: Change hugetlb preload to take vma argument
This avoids an extra find_vma() and is less error-prone.
Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/hugetlb.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-book3e.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/mm/mem.c | 2 |
3 files changed, 9 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 555044c310b2..863f49d5ea35 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -52,7 +52,8 @@ static inline int is_hugepage_only_range(struct mm_struct *mm, } #endif -void book3e_hugetlb_preload(struct mm_struct *mm, unsigned long ea, pte_t pte); +void book3e_hugetlb_preload(struct vm_area_struct *vma, unsigned long ea, + pte_t pte); void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr); void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, diff --git a/arch/powerpc/mm/hugetlbpage-book3e.c b/arch/powerpc/mm/hugetlbpage-book3e.c index 4d6d849a3e54..3bc700655fc8 100644 --- a/arch/powerpc/mm/hugetlbpage-book3e.c +++ b/arch/powerpc/mm/hugetlbpage-book3e.c @@ -37,12 +37,14 @@ static inline int book3e_tlb_exists(unsigned long ea, unsigned long pid) return found; } -void book3e_hugetlb_preload(struct mm_struct *mm, unsigned long ea, pte_t pte) +void book3e_hugetlb_preload(struct vm_area_struct *vma, unsigned long ea, + pte_t pte) { unsigned long mas1, mas2; u64 mas7_3; unsigned long psize, tsize, shift; unsigned long flags; + struct mm_struct *mm; #ifdef CONFIG_PPC_FSL_BOOK3E int index, ncams; @@ -51,12 +53,14 @@ void book3e_hugetlb_preload(struct mm_struct *mm, unsigned long ea, pte_t pte) if (unlikely(is_kernel_addr(ea))) return; + mm = vma->vm_mm; + #ifdef CONFIG_PPC_MM_SLICES psize = get_slice_psize(mm, ea); tsize = mmu_get_tsize(psize); shift = mmu_psize_defs[psize].shift; #else - psize = vma_mmu_pagesize(find_vma(mm, ea)); + psize = vma_mmu_pagesize(vma); shift = __ilog2(psize); tsize = shift - 10; #endif diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 22563b9664c3..83d819f30864 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -553,7 +553,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, #if (defined(CONFIG_PPC_BOOK3E_64) || defined(CONFIG_PPC_FSL_BOOK3E)) \ && defined(CONFIG_HUGETLB_PAGE) if (is_vm_hugetlb_page(vma)) - book3e_hugetlb_preload(vma->vm_mm, address, *ptep); + book3e_hugetlb_preload(vma, address, *ptep); #endif } |
