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@xxxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Cc: Stefan Roesch <shr@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxxxxxxxxxxxx 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
