The patch titled
Subject: mm-ksm-add-smart-page-scanning-mode-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-ksm-add-smart-page-scanning-mode-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-ksm-add-smart-page-scanning-mode-fix.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-add-smart-page-scanning-mode-fix
Date: Tue Sep 26 05:46:29 PM PDT 2023
make ksm_smart_scan default true, for testing
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>
---
mm/ksm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/mm/ksm.c~mm-ksm-add-smart-page-scanning-mode-fix
+++ a/mm/ksm.c
@@ -287,8 +287,9 @@ static unsigned int zero_checksum __read
/* Whether to merge empty (zeroed) pages with actual zero pages */
static bool ksm_use_zero_pages __read_mostly;
-/* Skip pages that couldn't be de-duplicated previously */
-static bool ksm_smart_scan;
+/* Skip pages that couldn't be de-duplicated previously */
+/* Default to true at least temporarily, for testing */
+static bool ksm_smart_scan = true;
/* The number of zero pages which is placed by KSM */
unsigned long ksm_zero_pages;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-shmem-fix-race-in-shmem_undo_range-w-thp-fix.patch
mm-shrinker-convert-shrinker_rwsem-to-mutex-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
mm-kmem-scoped-objcg-protection-checkpatch-fixes.patch
mm-non-pmd-mappable-large-folios-for-folio_add_new_anon_rmap-fix.patch
mm-thp-introduce-anon_orders-and-anon_always_mask-sysfs-files-fix.patch
kthread-add-kthread_stop_put-v2-fix.patch
