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| author |   Alexander Gordeev <agordeev@linux.ibm.com> | 2020-10-13 16:54:54 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-13 18:38:32 -0700 |
| commit | 25356cfad69cd67cfaf0e703df6f888e9727b947 (patch) | |
| tree | 8912d12477d70c97e93805c95c60768dac5c3a5c /Documentation/vm | |
| parent | mm/vmalloc.c: fix the comment of find_vm_area (diff) | |
| download | linux-dev-25356cfad69cd67cfaf0e703df6f888e9727b947.tar.xz linux-dev-25356cfad69cd67cfaf0e703df6f888e9727b947.zip | |
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".
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Link: https://lkml.kernel.org/r/1597040695-32633-1-git-send-email-agordeev@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/vm')
| -rw-r--r-- | Documentation/vm/active_mm.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/vm/active_mm.rst b/Documentation/vm/active_mm.rst index c84471b180f8..6f8269c284ed 100644 --- a/Documentation/vm/active_mm.rst +++ b/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 |