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| author | Peter Xu <peterx@redhat.com> | 2023-02-15 23:58:00 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-20 23:46:18 +0300 |
| commit | 7a079ba20090ab50d2f4203ceccd1e0f4becd1a6 (patch) | |
| tree | 416359854ad405460b907f4b6ee27d10fab30e65 /mm | |
| parent | cd7755800eb54e8522f5e51f4e71e6494c1f1572 (diff) | |
| download | linux-7a079ba20090ab50d2f4203ceccd1e0f4becd1a6.tar.xz | |
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The comment is obsolete after f369b07c8614 ("mm/uffd: reset write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 <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory.c | 4 |
1 files changed, 1 insertions, 3 deletions
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); |