+ mm-ksm-document-smart-scan-mode-fix-2.patch added to mm-unstable branch

+ mm-ksm-document-smart-scan-mode-fix-2.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm-ksm-document-smart-scan-mode-fix
has been added to the -mm mm-unstable branch.  Its filename is
     mm-ksm-document-smart-scan-mode-fix-2.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-ksm-document-smart-scan-mode-fix-2.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-ksm-document-smart-scan-mode-fix
Date: Tue Sep 26 05:48:29 PM PDT 2023

document that smart_scan defaults to on

Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Stefan Roesch <shr@devkernel.io>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/admin-guide/mm/ksm.rst |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/Documentation/admin-guide/mm/ksm.rst~mm-ksm-document-smart-scan-mode-fix-2
+++ a/Documentation/admin-guide/mm/ksm.rst
@@ -156,12 +156,12 @@ stable_node_chains_prune_millisecs
         ``max_page_sharing`` yet.
 
 smart_scan
-        By default KSM checks every candidate page for each scan. It does
-        not take into account historic information. When smart scan is
+        Historically KSM checked every candidate page for each scan. It did
+        not take into account historic information.  When smart scan is
         enabled, pages that have previously not been de-duplicated get
         skipped. How often these pages are skipped depends on how often
         de-duplication has already been tried and failed. By default this
-        optimization is disabled. The ``pages_skipped`` metric shows how
+        optimization is enabled.  The ``pages_skipped`` metric shows how
         effective the setting is.
 
 The effectiveness of KSM and MADV_MERGEABLE is shown in ``/sys/kernel/mm/ksm/``:
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-shmem-fix-race-in-shmem_undo_range-w-thp-fix.patch
mm-memcg-reconsider-kmemlimit_in_bytes-deprecation-fix.patch
mm-memcg-add-thp-swap-out-info-for-anonymous-reclaim-fix.patch
mm-hugetlb-skip-initialization-of-gigantic-tail-struct-pages-if-freed-by-hvo-fix.patch
fs-proc-task_mmu-implement-ioctl-to-get-and-optionally-clear-info-about-ptes-fix.patch
fs-proc-task_mmu-implement-ioctl-to-get-and-optionally-clear-info-about-ptes-fix-fix.patch
fs-proc-task_mmu-implement-ioctl-to-get-and-optionally-clear-info-about-ptes-fix-2.patch
mm-ksm-add-smart-page-scanning-mode-fix.patch
mm-ksm-document-smart-scan-mode-fix.patch
mm-ksm-document-smart-scan-mode-fix-2.patch
kthread-add-kthread_stop_put-v2-fix.patch