From: SeongJae Park <sj@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: SeongJae Park <sj@kernel.org>, Hyeongtak Ji <hyeongtak.ji@sk.com>,
Honggyu Kim <honggyu.kim@sk.com>,
damon@lists.linux.dev, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, kernel test robot <lkp@intel.com>,
Dan Carpenter <dan.carpenter@linaro.org>
Subject: [PATCH mm-stable 1/1] mm/damon/paddr: initialize nr_succeeded in __damon_pa_migrate_folio_list()
Date: Mon, 1 Jul 2024 09:53:32 -0700 [thread overview]
Message-ID: <20240701165332.47495-1-sj@kernel.org> (raw)
The variable is supposed to be set via later migrate_pages() call.
However, the function does not do that when CONFIG_MIGRATION is unset.
Initialize the variable to zero.
Fixes: 5311c0a2eee3 ("mm/damon/paddr: introduce DAMOS_MIGRATE_COLD action for demotion") # mm-stable
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202406251102.GE07hqfQ-lkp@intel.com/
Signed-off-by: SeongJae Park <sj@kernel.org>
---
mm/damon/paddr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index af6aac388a43..a9ff35341d65 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -332,7 +332,7 @@ static unsigned int __damon_pa_migrate_folio_list(
struct list_head *migrate_folios, struct pglist_data *pgdat,
int target_nid)
{
- unsigned int nr_succeeded;
+ unsigned int nr_succeeded = 0;
nodemask_t allowed_mask = NODE_MASK_NONE;
struct migration_target_control mtc = {
/*
--
2.39.2
reply other threads:[~2024-07-01 16:53 UTC|newest]
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