diff options
Diffstat (limited to 'sys/vm/vm_page.h')
| -rw-r--r-- | sys/vm/vm_page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 0f0b330..c915598 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -552,6 +552,7 @@ void vm_page_lock_assert_KBI(vm_page_t m, int a, const char *file, int line); (m)); \ } while (0) +/* Note: page m's lock must not be owned by the caller. */ #define vm_page_xunbusy(m) do { \ if (!atomic_cmpset_rel_int(&(m)->busy_lock, \ VPB_SINGLE_EXCLUSIVER, VPB_UNBUSIED)) \ |
