NFS: Kill the obsolete NFS_PARANOIA

[powerpc.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index 88da687..68b9ad2 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1200,6 +1200,9 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
        if (len > TASK_SIZE)
                return -ENOMEM;
 
+       if (flags & MAP_FIXED)
+               return addr;
+
        if (addr) {
                addr = PAGE_ALIGN(addr);
                vma = find_vma(mm, addr);
@@ -1273,6 +1276,9 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
        if (len > TASK_SIZE)
                return -ENOMEM;
 
+       if (flags & MAP_FIXED)
+               return addr;
+
        /* requesting a specific address */
        if (addr) {
                addr = PAGE_ALIGN(addr);
@@ -1360,39 +1366,21 @@ unsigned long
 get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
                unsigned long pgoff, unsigned long flags)
 {
-       unsigned long ret;
-
-       if (!(flags & MAP_FIXED)) {
-               unsigned long (*get_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
-
-               get_area = current->mm->get_unmapped_area;
-               if (file && file->f_op && file->f_op->get_unmapped_area)
-                       get_area = file->f_op->get_unmapped_area;
-               addr = get_area(file, addr, len, pgoff, flags);
-               if (IS_ERR_VALUE(addr))
-                       return addr;
-       }
+       unsigned long (*get_area)(struct file *, unsigned long,
+                                 unsigned long, unsigned long, unsigned long);
+
+       get_area = current->mm->get_unmapped_area;
+       if (file && file->f_op && file->f_op->get_unmapped_area)
+               get_area = file->f_op->get_unmapped_area;
+       addr = get_area(file, addr, len, pgoff, flags);
+       if (IS_ERR_VALUE(addr))
+               return addr;
 
        if (addr > TASK_SIZE - len)
                return -ENOMEM;
        if (addr & ~PAGE_MASK)
                return -EINVAL;
-       if (file && is_file_hugepages(file))  {
-               /*
-                * Check if the given range is hugepage aligned, and
-                * can be made suitable for hugepages.
-                */
-               ret = prepare_hugepage_range(addr, len, pgoff);
-       } else {
-               /*
-                * Ensure that a normal request is not falling in a
-                * reserved hugepage range.  For some archs like IA-64,
-                * there is a separate region for hugepages.
-                */
-               ret = is_hugepage_only_range(current->mm, addr, len);
-       }
-       if (ret)
-               return -EINVAL;
+
        return addr;
 }
 
@@ -1732,7 +1720,7 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
 
 /*
  * Split a vma into two pieces at address 'addr', a new vma is allocated
- * either for the first part or the the tail.
+ * either for the first part or the tail.
  */
 int split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
              unsigned long addr, int new_below)