The patch titled
Subject: docs/vm: fix 'mm_count' vs 'mm_users' counter confusion
has been added to the -mm tree. Its filename is
docs-vm-fix-mm_count-vs-mm_users-counter-confusion.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/docs-vm-fix-mm_count-vs-mm_users-counter-confusion.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/docs-vm-fix-mm_count-vs-mm_users-counter-confusion.patch
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------------------------------------------------------
From: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Subject: docs/vm: fix 'mm_count' vs 'mm_users' counter confusion
In the context of the anonymous address space lifespan description the
'mm_users' reference counter is confused with 'mm_count'. I.e a "zombie"
mm gets released when "mm_count" becomes zero, not "mm_users".
Link: https://lkml.kernel.org/r/1597040695-32633-1-git-send-email-agordeev@xxxxxxxxxxxxx
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/vm/active_mm.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/Documentation/vm/active_mm.rst~docs-vm-fix-mm_count-vs-mm_users-counter-confusion
+++ a/Documentation/vm/active_mm.rst
@@ -64,7 +64,7 @@ Active MM
actually get cases where you have a address space that is _only_ used by
lazy users. That is often a short-lived state, because once that thread
gets scheduled away in favour of a real thread, the "zombie" mm gets
- released because "mm_users" becomes zero.
+ released because "mm_count" becomes zero.
Also, a new rule is that _nobody_ ever has "init_mm" as a real MM any
more. "init_mm" should be considered just a "lazy context when no other
_
Patches currently in -mm which might be from agordeev@xxxxxxxxxxxxx are
docs-vm-fix-mm_count-vs-mm_users-counter-confusion.patch
