diff options
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-radix.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/mm/mmap.c | 12 | ||||
| -rw-r--r-- | arch/powerpc/mm/slice.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/subpage-prot.c | 3 |
4 files changed, 13 insertions, 12 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 35254a678456..95207c117b82 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -52,7 +52,7 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, if (len & ~huge_page_mask(h)) return -EINVAL; - if (len > TASK_SIZE) + if (len > mm->context.addr_limit) return -ENOMEM; if (flags & MAP_FIXED) { @@ -64,7 +64,7 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, if (addr) { addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && + if (mm->context.addr_limit - len >= addr && (!vma || addr + len <= vma->vm_start)) return addr; } diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c index a5d9ef59debe..6e9fead92969 100644 --- a/arch/powerpc/mm/mmap.c +++ b/arch/powerpc/mm/mmap.c @@ -97,7 +97,7 @@ radix__arch_get_unmapped_area(struct file *filp, unsigned long addr, struct vm_area_struct *vma; struct vm_unmapped_area_info info; - if (len > TASK_SIZE - mmap_min_addr) + if (len > mm->context.addr_limit - mmap_min_addr) return -ENOMEM; if (flags & MAP_FIXED) @@ -106,7 +106,7 @@ radix__arch_get_unmapped_area(struct file *filp, unsigned long addr, if (addr) { addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && + if (mm->context.addr_limit - len >= addr && addr >= mmap_min_addr && (!vma || addr + len <= vma->vm_start)) return addr; } @@ -114,7 +114,7 @@ radix__arch_get_unmapped_area(struct file *filp, unsigned long addr, info.flags = 0; info.length = len; info.low_limit = mm->mmap_base; - info.high_limit = TASK_SIZE; + info.high_limit = mm->context.addr_limit; info.align_mask = 0; return vm_unmapped_area(&info); } @@ -132,7 +132,7 @@ radix__arch_get_unmapped_area_topdown(struct file *filp, struct vm_unmapped_area_info info; /* requested length too big for entire address space */ - if (len > TASK_SIZE - mmap_min_addr) + if (len > mm->context.addr_limit - mmap_min_addr) return -ENOMEM; if (flags & MAP_FIXED) @@ -142,7 +142,7 @@ radix__arch_get_unmapped_area_topdown(struct file *filp, if (addr) { addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && + if (mm->context.addr_limit - len >= addr && addr >= mmap_min_addr && (!vma || addr + len <= vma->vm_start)) return addr; } @@ -164,7 +164,7 @@ radix__arch_get_unmapped_area_topdown(struct file *filp, VM_BUG_ON(addr != -ENOMEM); info.flags = 0; info.low_limit = TASK_UNMAPPED_BASE; - info.high_limit = TASK_SIZE; + info.high_limit = mm->context.addr_limit; addr = vm_unmapped_area(&info); } diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index ded96edac817..19d8788820e1 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -277,7 +277,7 @@ static unsigned long slice_find_area_bottomup(struct mm_struct *mm, info.align_offset = 0; addr = TASK_UNMAPPED_BASE; - while (addr < TASK_SIZE) { + while (addr < mm->context.addr_limit) { info.low_limit = addr; if (!slice_scan_available(addr, available, 1, &addr)) continue; @@ -289,8 +289,8 @@ static unsigned long slice_find_area_bottomup(struct mm_struct *mm, * Check if we need to reduce the range, or if we can * extend it to cover the next available slice. */ - if (addr >= TASK_SIZE) - addr = TASK_SIZE; + if (addr >= mm->context.addr_limit) + addr = mm->context.addr_limit; else if (slice_scan_available(addr, available, 1, &next_end)) { addr = next_end; goto next_slice; diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c index 94210940112f..a409f78d206b 100644 --- a/arch/powerpc/mm/subpage-prot.c +++ b/arch/powerpc/mm/subpage-prot.c @@ -197,7 +197,8 @@ long sys_subpage_prot(unsigned long addr, unsigned long len, u32 __user *map) /* Check parameters */ if ((addr & ~PAGE_MASK) || (len & ~PAGE_MASK) || - addr >= TASK_SIZE || len >= TASK_SIZE || addr + len > TASK_SIZE) + addr >= mm->context.addr_limit || len >= mm->context.addr_limit || + addr + len > mm->context.addr_limit) return -EINVAL; if (is_hugepage_only_range(mm, addr, len)) |