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get_unmapped_area handles MAP_FIXED on sparc64

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Handle MAP_FIXED in hugetlb_get_unmapped_area on sparc64 by just using
prepare_hugepage_range()

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: William Irwin <bill.irwin@oracle.com>
Cc: "David S. Miller" <davem@davemloft.net>
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 14:50:10 -07:00 committed by Linus Torvalds
parent 869e510172
commit ac35ee484d
1 changed files with 6 additions and 0 deletions
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6
arch/sparc64/mm/hugetlbpage.c
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@ -175,6 +175,12 @@ 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);