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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>
This commit is contained in:
Benjamin Herrenschmidt 2007-05-06 14:50:08 -07:00 committed by Linus Torvalds
parent 2fd3bebaad
commit 5a8130f2b1
1 changed files with 6 additions and 0 deletions
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6
arch/i386/mm/hugetlbpage.c
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@ -367,6 +367,12 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
if (len > TASK_SIZE) if (len > TASK_SIZE)
return -ENOMEM; return -ENOMEM;
if (flags & MAP_FIXED) {
if (prepare_hugepage_range(addr, len, pgoff))
return -EINVAL;
return addr;
}
if (addr) { if (addr) {
addr = ALIGN(addr, HPAGE_SIZE); addr = ALIGN(addr, HPAGE_SIZE);
vma = find_vma(mm, addr); vma = find_vma(mm, addr);