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 54c7265ab52d99202c326514a7d5c9c4950871fb..39f7eae7eecdac99942ae1129d7363f965a8165a 100644 (file)
--- 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)