mmu notifier: We do a invalidate_range during COW. Remove invalidate_page We already do a range invalidate during COW. Signed-off-by: Christoph Lameter --- mm/memory.c | 1 - 1 file changed, 1 deletion(-) Index: linux-2.6/mm/memory.c =================================================================== --- linux-2.6.orig/mm/memory.c 2008-01-25 14:12:38.000000000 -0800 +++ linux-2.6/mm/memory.c 2008-01-25 14:12:45.000000000 -0800 @@ -1659,7 +1659,6 @@ gotten: * thread doing COW. */ ptep_clear_flush(vma, address, page_table); - mmu_notifier(invalidate_page, mm, address); set_pte_at(mm, address, page_table, entry); update_mmu_cache(vma, address, entry); lru_cache_add_active(new_page);