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* FAILED: patch "[PATCH] tools/mm/slabinfo: Fix trace disable logic inversion" failed to apply to 6.1-stable tree
@ 2026-07-14 14:52 gregkh
  0 siblings, 0 replies; only message in thread
From: gregkh @ 2026-07-14 14:52 UTC (permalink / raw)
  To: wangxuewen, 18810879172, sj, vbabka; +Cc: stable


The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x 235ab68d67eadbef1fdbfb771f21f5bacc77a2ae
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026071413-headway-boaster-b891@gregkh' --subject-prefix 'PATCH 6.1.y' 'HEAD^..'

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 235ab68d67eadbef1fdbfb771f21f5bacc77a2ae Mon Sep 17 00:00:00 2001
From: Xuewen Wang <wangxuewen@kylinos.cn>
Date: Mon, 18 May 2026 14:21:57 +0800
Subject: [PATCH] tools/mm/slabinfo: Fix trace disable logic inversion

The disable trace path in slab_debug() had a logic error where it would
set trace=1 instead of trace=0. This made trace functionality permanently
enabled once turned on for any slab cache.

Fixes: a87615b8f9e2 ("SLUB: slabinfo upgrade")
Cc: stable@vger.kernel.org
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Xuewen Wang <wangxuewen@kylinos.cn>
WARNING: From:/Signed-off-by: email address mismatch: 'From: wangxuewen <18810879172@163.com>' != 'Signed-off-by: wangxuewen <wangxuewen@kylinos.cn>'
Link: https://patch.msgid.link/20260518062159.80664-2-wangxuewen@kylinos.cn
Signed-off-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>

diff --git a/tools/mm/slabinfo.c b/tools/mm/slabinfo.c
index 54c7265ab52d..39f7eae7eecd 100644
--- a/tools/mm/slabinfo.c
+++ b/tools/mm/slabinfo.c
@@ -798,7 +798,7 @@ static void slab_debug(struct slabinfo *s)
 			fprintf(stderr, "%s can only enable trace for one slab at a time\n", s->name);
 	}
 	if (!tracing && s->trace)
-		set_obj(s, "trace", 1);
+		set_obj(s, "trace", 0);
 }
 
 static void totals(void)


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2026-07-14 14:52 FAILED: patch "[PATCH] tools/mm/slabinfo: Fix trace disable logic inversion" failed to apply to 6.1-stable tree gregkh

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