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>
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 555044c..863f49d 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -52,7 +52,8 @@
}
#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 4d6d849..3bc7006 100644
--- a/arch/powerpc/mm/hugetlbpage-book3e.c
+++ b/arch/powerpc/mm/hugetlbpage-book3e.c
@@ -37,12 +37,14 @@
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 @@
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 @@
#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
}