From b5c5ded3e7922dbbb45a2f7183d500514185eab8 Mon Sep 17 00:00:00 2001 From: David Miller Date: Fri, 16 Mar 2007 18:49:06 -0700 Subject: [PATCH] Fix sparc64 hugepage bugs [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 Signed-off-by: Greg Kroah-Hartman --- arch/sparc64/mm/hugetlbpage.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/sparc64/mm/hugetlbpage.c b/arch/sparc64/mm/hugetlbpage.c index 33fd0b265e70..00677b5e1d7d 100644 --- a/arch/sparc64/mm/hugetlbpage.c +++ b/arch/sparc64/mm/hugetlbpage.c @@ -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; -- 2.39.5