[PATCH 12/12] get_unmapped_area doesn't need hugetlbfs hacks anymore

From: Benjamin Herrenschmidt
Date: Tue Apr 24 2007 - 01:36:32 EST


Remove the hugetlbfs specific hacks in toplevel get_unmapped_area() now
that all archs and hugetlbfs itself do the right thing for both cases.

Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Acked-by: William Irwin <bill.irwin@xxxxxxxxxx>

mm/mmap.c | 16 ----------------
1 file changed, 16 deletions(-)

Index: linux-cell/mm/mmap.c
===================================================================
--- linux-cell.orig/mm/mmap.c 2007-04-12 12:14:46.000000000 +1000
+++ linux-cell/mm/mmap.c 2007-04-12 12:14:47.000000000 +1000
@@ -1381,22 +1381,6 @@ get_unmapped_area(struct file *file, uns
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;
}

-
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