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authorBecky Bruce <beckyb@kernel.crashing.org>2011-11-28 14:43:33 (GMT)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-12-07 05:26:24 (GMT)
commitd93e4d7d72037d8c9405e8d404ecb2ee162adc25 (patch)
treeae6a9e67f9232a7d48b6df8d17f9b075e1919955 /arch/powerpc/mm
parent1257a765479224e7c16f22218dfba48ffa6e6632 (diff)
downloadlinux-d93e4d7d72037d8c9405e8d404ecb2ee162adc25.tar.xz
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>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/hugetlbpage-book3e.c8
-rw-r--r--arch/powerpc/mm/mem.c2
2 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-book3e.c b/arch/powerpc/mm/hugetlbpage-book3e.c
index 4d6d849..3bc7006 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 22563b9..83d819f 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
}