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authorJeff Garzik <jgarzik@pobox.com>2005-11-07 22:51:47 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-07 22:51:47 -0500
commit6b995751c2e851d2bc9c277b5884d0adb519e31d (patch)
tree7a15b41b5d8ce612915584a0773c670d5c0ab5b8 /arch/powerpc/mm/hugetlbpage.c
parent6c2f4267833f453156f8f439cc32eb4c92f357b4 (diff)
parentd27ba47e7e8c466c18983a1779d611f82d6a354f (diff)
Merge branch 'master'
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
-rw-r--r--arch/powerpc/mm/hugetlbpage.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 0073a04047e4..426c269e552e 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -212,6 +212,12 @@ static int prepare_high_area_for_htlb(struct mm_struct *mm, unsigned long area)
BUG_ON(area >= NUM_HIGH_AREAS);
+ /* Hack, so that each addresses is controlled by exactly one
+ * of the high or low area bitmaps, the first high area starts
+ * at 4GB, not 0 */
+ if (start == 0)
+ start = 0x100000000UL;
+
/* Check no VMAs are in the region */
vma = find_vma(mm, start);
if (vma && (vma->vm_start < end))