diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2007-05-06 14:50:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:12:56 -0700 |
| commit | 5a8130f2b186ac91190d1dcea875d66d08e6a1de (patch) | |
| tree | 21966c95a546c49459211dcf36ca140537ddccda | |
| parent | 2fd3bebaad9da3b3b99c46a3389099424bf7ee35 (diff) | |
get_unmapped_area handles MAP_FIXED on i386
Handle MAP_FIXED in i386 hugetlb_get_unmapped_area(), just call
prepare_hugepage_range.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: William Irwin <bill.irwin@oracle.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Adam Litke <agl@us.ibm.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/i386/mm/hugetlbpage.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/i386/mm/hugetlbpage.c b/arch/i386/mm/hugetlbpage.c index 34728e4afe4..6272a4fd9e7 100644 --- a/arch/i386/mm/hugetlbpage.c +++ b/arch/i386/mm/hugetlbpage.c @@ -367,6 +367,12 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, 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); |