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Tue, 22 Sep 2026 10:41:57 -0700 (PDT) Received: from FredPC ([2600:382:8d06:9b8b:d94d:e185:fcc4:f1c4]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-144f9040420sm110074c88.15.2026.09.22.10.41.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2026 10:41:57 -0700 (PDT) From: Fredric Cover To: Paulo Alcantara , Namjae Jeon Cc: ChenXiaoSong , Tom Talpey , Ronnie Sahlberg , Shyam Prasad N , Bharath SM , linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org, Fredric Cover Subject: [PATCH] smb: client: use GFP_KERNEL in get_targets() Date: Tue, 22 Sep 2026 10:37:59 -0700 Message-ID: <20260922173759.67445-1-fredric.cover.lkernel@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Currently, get_targets() uses GFP_ATOMIC to allocate the cache target iterator and to duplicate t->name. The callers of get_targets() are in a sleepable context; therefore, switch to GFP_KERNEL to reduce risk of failure and reduce pressure on emergency pools in low-memory scenarios. Signed-off-by: Fredric Cover --- fs/smb/client/dfs_cache.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/smb/client/dfs_cache.c b/fs/smb/client/dfs_cache.c index f6c4259479c5..f727fb261331 100644 --- a/fs/smb/client/dfs_cache.c +++ b/fs/smb/client/dfs_cache.c @@ -798,13 +798,13 @@ static int get_targets(struct cache_entry *ce, struct dfs_cache_tgt_list *tl) INIT_LIST_HEAD(head); list_for_each_entry(t, &ce->tlist, list) { - it = kzalloc_obj(*it, GFP_ATOMIC); + it = kzalloc_obj(*it, GFP_KERNEL); if (!it) { rc = -ENOMEM; goto err_free_it; } - it->it_name = kstrdup(t->name, GFP_ATOMIC); + it->it_name = kstrdup(t->name, GFP_KERNEL); if (!it->it_name) { kfree(it); rc = -ENOMEM; -- 2.53.0