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Subject[PATCH 10/12] get_unmapped_area handles MAP_FIXED in hugetlbfs
Generic hugetlb_get_unmapped_area() now handles MAP_FIXED by just
calling prepare_hugepage_range()

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

fs/hugetlbfs/inode.c | 6 ++++++
1 file changed, 6 insertions(+)

Index: linux-cell/fs/hugetlbfs/inode.c
===================================================================
--- linux-cell.orig/fs/hugetlbfs/inode.c 2007-03-22 16:12:56.000000000 +1100
+++ linux-cell/fs/hugetlbfs/inode.c 2007-03-22 16:16:02.000000000 +1100
@@ -115,6 +115,12 @@ hugetlb_get_unmapped_area(struct file *f
if (len > TASK_SIZE)
return -ENOMEM;

+ if (flags & MAP_FIXED) {
+ if (prepare_hugepage_range(addr, len, pgoff))
+ return -EINVAL;
+ return addr;
+ }
+
if (addr) {
addr = ALIGN(addr, HPAGE_SIZE);
vma = find_vma(mm, addr);
-
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