X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=mm%2Fmmap.c;h=68b9ad2ef1d6917c28721419627fa9fd4a29e3b3;hb=b268f484f9d7ce91301091e0fb2c80e9e8caa3df;hp=88da687bde89fdc51b367c1728d330b3321568ab;hpb=d6dd61c831226f9cd7750885da04d360d6455101;p=linux-2.6-omap-h63xx.git

diff --git a/mm/mmap.c b/mm/mmap.c
index 88da687bde8..68b9ad2ef1d 100644
--- 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)