[XTENSA] Flush the page-address in update-mmu instead of user-address

The TLB entry for the user address doesn't exist at the time we
want to flush the caches, so use the page address. Note that processor
configurations with cache-aliasing issues are treated separately.

Signed-off-by: Chris Zankel <chris@zankel.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 42bfb695a170..3ba990c67676 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -180,9 +180,9 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t pte)
 #else
         if (!PageReserved(page) && !test_bit(PG_arch_1, &page->flags)
             && (vma->vm_flags & VM_EXEC) != 0) {
-                unsigned long vaddr = addr & PAGE_MASK;
-                __flush_dcache_page(vaddr);
-                __invalidate_icache_page(vaddr);
+                unsigned long paddr = (unsigned long) page_address(page);
+                __flush_dcache_page(paddr);
+                __invalidate_icache_page(paddr);
                 set_bit(PG_arch_1, &page->flags);
         }
 #endif