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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-12 16:51:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-12 16:51:22 +0200
commita791dc135325862fdf491ac088f54993710e2515 (patch)
tree3fe941c0d8b8d315ad4b2235836462e0820f98ae /include/linux/rmap.h
parentd11b1e908e9a1301e43cefc37fc17dd2b1257b77 (diff)
parent80e78fcce86de0288793a0ef0f6acf37656ee4cf (diff)
Merge 6.0-rc5 into driver-core-next
We need the driver core and debugfs changes in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/rmap.h')
-rw-r--r--include/linux/rmap.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index bf80adca980b..b89b4b86951f 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -41,12 +41,15 @@ struct anon_vma {
atomic_t refcount;
/*
- * Count of child anon_vmas and VMAs which points to this anon_vma.
+ * Count of child anon_vmas. Equals to the count of all anon_vmas that
+ * have ->parent pointing to this one, including itself.
*
* This counter is used for making decision about reusing anon_vma
* instead of forking new one. See comments in function anon_vma_clone.
*/
- unsigned degree;
+ unsigned long num_children;
+ /* Count of VMAs whose ->anon_vma pointer points to this object. */
+ unsigned long num_active_vmas;
struct anon_vma *parent; /* Parent of this anon_vma */