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Commit bb8236f2 authored by David S. Miller's avatar David S. Miller
Browse files

[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: default avatarDavid S. Miller <davem@davemloft.net>
parent 50d266a3

arch/sparc64/mm/hugetlbpage.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -248,6 +248,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, 
	if (!pte_present(*ptep) && pte_present(entry))

	if (!pte_present(*ptep) && pte_present(entry))

		mm->context.huge_pte_count++;

		mm->context.huge_pte_count++;





	addr &= HPAGE_MASK;

	for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {

	for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {

		set_pte_at(mm, addr, ptep, entry);

		set_pte_at(mm, addr, ptep, entry);

		ptep++;

		ptep++;
@@ -266,6 +267,8 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, 
	if (pte_present(entry))

	if (pte_present(entry))

		mm->context.huge_pte_count--;

		mm->context.huge_pte_count--;





	addr &= HPAGE_MASK;



	for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {

	for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {

		pte_clear(mm, addr, ptep);

		pte_clear(mm, addr, ptep);

		addr += PAGE_SIZE;

		addr += PAGE_SIZE;