[folded-merged] mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix.patch removed from -mm tree

[folded-merged] mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix
has been removed from the -mm tree.  Its filename was
     mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix.patch

This patch was dropped because it was folded into mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write.patch

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix
Date: Mon Aug  3 05:44:48 PM PDT 2026

use ARRAY_SIZE to dimension ratio[]

Cc: Brendan Jackman <jackmanb@google.com>
Cc: Jianlin Shi <shijianlin11@foxmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/page_alloc.c~mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix
+++ a/mm/page_alloc.c
@@ -6926,7 +6926,7 @@ static int lowmem_reserve_ratio_sysctl_h
 		int write, void *buffer, size_t *length, loff_t *ppos)
 {
 	struct ctl_table tmp = *table;
-	int ratio[MAX_NR_ZONES];
+	int ratio[ARRAY_SIZE(sysctl_lowmem_reserve_ratio)];
 	int rc;
 
 	if (!write)
_

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

alloc_tag-add-ioctl-to-proc-allocinfo-fix.patch
mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write.patch
selftests-mm-fix-soft-dirty-kselftest-supported-check-fix.patch
drivers-media-v4l2-core-v4l2-vp9c-reduce-inlining.patch

[folded-merged] mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix
has been removed from the -mm tree.  Its filename was
     mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix.patch

This patch was dropped because it was folded into mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write.patch

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix
Date: Thu Aug  6 02:14:15 PM PDT 2026

add comment, per hannes

Link: https://lore.kernel.org/anSRGASe5FIrqwlg@cmpxchg.org
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Jianlin Shi <shijianlin11@foxmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Joel Granados <joel.granados@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/mm/page_alloc.c~mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write-fix
+++ a/mm/page_alloc.c
@@ -6870,6 +6870,10 @@ static int lowmem_reserve_ratio_sysctl_h
 	if (!write)
 		return proc_dointvec_minmax(table, write, buffer, length, ppos);
 
+	/*
+	 * proc_dointvec_max() works incrementally. Use a buffer and only set
+	 * the values if all of them parse cleanly.
+	 */
 	memcpy(ratio, sysctl_lowmem_reserve_ratio, sizeof(ratio));
 	tmp.data = ratio;
 
_

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

mm-page_alloc-only-update-lowmem_reserve_ratio-on-sysctl-write.patch
selftests-mm-use-pattern-matching-in-gitignore-fix.patch
alloc_tag-add-ioctl-to-proc-allocinfo-fix.patch
selftests-mm-fix-soft-dirty-kselftest-supported-check-fix.patch
mm-hmmc-hmm_do_fault-suppress-sparse-warning.patch
mm-hmmc-hmm_do_fault-suppress-sparse-warning-fix.patch
lib-kconfigdebug-make-debug_force_weak_per_cpu-depend-on-s390alpha.patch
selftests-cgroup-test_zswap-skip-test_no_kmem_bypass-if-debugfs-is-unavailable-fix.patch
drivers-media-v4l2-core-v4l2-vp9c-reduce-inlining.patch