From 7a079ba20090ab50d2f4203ceccd1e0f4becd1a6 Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Wed, 15 Feb 2023 15:58:00 -0500 Subject: mm/uffd: fix comment in handling pte markers The comment is obsolete after f369b07c8614 ("mm/uffd: reset write protection when unregister with wp-mode", 2022-08-20). Remove it. Link: https://lkml.kernel.org/r/20230215205800.223549-1-peterx@redhat.com Signed-off-by: Peter Xu Reviewed-by: David Hildenbrand Cc: Andrea Arcangeli Cc: Axel Rasmussen Signed-off-by: Andrew Morton --- mm/memory.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'mm') diff --git a/mm/memory.c b/mm/memory.c index 7a04a1130ec1..f456f3b5049c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3627,9 +3627,7 @@ static vm_fault_t pte_marker_handle_uffd_wp(struct vm_fault *vmf) { /* * Just in case there're leftover special ptes even after the region - * got unregistered - we can simply clear them. We can also do that - * proactively when e.g. when we do UFFDIO_UNREGISTER upon some uffd-wp - * ranges, but it should be more efficient to be done lazily here. + * got unregistered - we can simply clear them. */ if (unlikely(!userfaultfd_wp(vmf->vma) || vma_is_anonymous(vmf->vma))) return pte_marker_clear(vmf); -- cgit v1.2.3