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Fix sparc64 hugepage bugs

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[SPARC64]: Add missing HPAGE_MASK masks on address parameters.

These pte loops all assume the passed in address is HPAGE
aligned, make sure that is actually true.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Miller
2007-03-16 18:49:06 -07:00
committed by Greg Kroah-Hartman
parent 50a9fe3806
commit b5c5ded3e7
1 changed files with 3 additions and 0 deletions
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arch/sparc64/mm/hugetlbpage.c
+3
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@@ -248,6 +248,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
if (!pte_present(*ptep) && pte_present(entry))
mm->context.huge_pte_count++;
addr &= HPAGE_MASK;
for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
set_pte_at(mm, addr, ptep, entry);
ptep++;
@@ -266,6 +267,8 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
if (pte_present(entry))
mm->context.huge_pte_count--;
addr &= HPAGE_MASK;
for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
pte_clear(mm, addr, ptep);
addr += PAGE_SIZE;