From f0646e43acb18f0e00b00085dc88bc3f403e7930 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 30 Jan 2008 13:33:43 +0100 Subject: x86: return the page table level in lookup_address() based on this patch from Andi Kleen: | Subject: CPA: Return the page table level in lookup_address() | From: Andi Kleen | | Needed for the next change. | | And change all the callers. and ported it to x86.git. Signed-off-by: Andi Kleen Acked-by: Jan Beulich Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/xen/mmu.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'arch/x86/xen') diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index e6184735545..45aa771e73a 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -58,7 +58,8 @@ xmaddr_t arbitrary_virt_to_machine(unsigned long address) { - pte_t *pte = lookup_address(address); + int level; + pte_t *pte = lookup_address(address, &level); unsigned offset = address & PAGE_MASK; BUG_ON(pte == NULL); @@ -70,8 +71,9 @@ void make_lowmem_page_readonly(void *vaddr) { pte_t *pte, ptev; unsigned long address = (unsigned long)vaddr; + int level; - pte = lookup_address(address); + pte = lookup_address(address, &level); BUG_ON(pte == NULL); ptev = pte_wrprotect(*pte); @@ -84,8 +86,9 @@ void make_lowmem_page_readwrite(void *vaddr) { pte_t *pte, ptev; unsigned long address = (unsigned long)vaddr; + int level; - pte = lookup_address(address); + pte = lookup_address(address, &level); BUG_ON(pte == NULL); ptev = pte_mkwrite(*pte); -- cgit v1.2.3