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b=hQuIWHR+h9t8EgXjRvXqbFdLLIHthBMA2GC+giXqn7dz67m89ccTw7W6miHiPXDK6 yBFuh+5r6HwpJ/u0MWXD9mwh/yaD2k6upDJzslw7FkHB6Oni5bzSMez2686W/MpG+n jtUAoieXaDsrk44GKFJh+nsT0n0K2n9VIC1ckPjJWikim9H3BqwWQ3LKyl20nZFZGR VrySXmlnwJaA9I+NP5lbf7nOqO+iSSiyThiaqM+gvQvSzdcbu8UVKDgNC8U0zVsMC6 gWI0ZQOTV3nY56shMkvY4/lWxycP1//RP+I+ztN7NUHB3sha+LQL6gIQSs44jPpVox yHTVoDJ4iaZfQ== From: "Vlastimil Babka (SUSE)" Date: Thu, 30 Jul 2026 16:32:46 +0200 Subject: [PATCH] mm/slab: stop exporting kvfree_rcu_barrier[_on_cache]() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260730-unexport-barriers-v1-1-852f6641abe9@kernel.org> X-B4-Tracking: v=1; b=H4sIAI1ga2oC/yXMQQ5AMBBA0avIrDUpFVJXEQtlyliUzCAScXfF8 i3+v0CQCQXq5ALGg4SWEJGlCfRTF0ZUNERDrvNSV0arPeC5Lrwp13EsWVRhrDO+tL6yGcRuZfR 0fs+m/S27m7Hf3hHc9wMGbLXsdQAAAA== X-Change-ID: 20260730-unexport-barriers-439b3f69f791 To: Harry Yoo , Andrew Morton Cc: Hao Li , Uladzislau Rezki , Christoph Lameter , David Rientjes , Roman Gushchin , linux-mm@kvack.org, rcu@vger.kernel.org, linux-kernel@vger.kernel.org, "Vlastimil Babka (SUSE)" X-Mailer: b4 0.15.2 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: F1F71120014 X-Stat-Signature: azj9tfw838tynmi7qa5mh71dfe8f6ego X-Rspam-User: X-HE-Tag: 1785421976-937285 X-HE-Meta: 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 x59UCAMQ ogPqTXe6a2R9+yfAyo+Maj23hkje++iU5xMV8d5HMrR3fO9QVcwxNHuo5G1GMN5SsBqVnrlhbQBWSLPwigFQIBN/rkUsZ5YI5e7tS8D3AZ4gLruwTN8n9pFNqW0e/KGBVRntamqTo4kNEiNqe4iXkQQhmh4wljHiEs/tOue8RV3EB+8j9YNB57BSyBPnBC7XHbAW/+ZI6F4rO3YInc1LKZN7WNYei104AvlK07nM1KXrhAITOM4dxioF3WJjYiuzuecOQO5Jv3Z2dZvFONOZmyCQ6XLnzM2qRrygt Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: No module code calls these functions directly. Seems it was always the case. Remove the exports. Signed-off-by: Vlastimil Babka (SUSE) --- Based on slab/for-7.3/kfree_rcu_nolock --- mm/slab_common.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/slab_common.c b/mm/slab_common.c index 6750dfa27367..cd155ffc2762 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1329,14 +1329,12 @@ void kvfree_rcu_barrier(void) deferred_work_barrier(); rcu_barrier(); } -EXPORT_SYMBOL_GPL(kvfree_rcu_barrier); void kvfree_rcu_barrier_on_cache(struct kmem_cache *s) { deferred_work_barrier(); rcu_barrier(); } -EXPORT_SYMBOL_GPL(kvfree_rcu_barrier_on_cache); void __init kvfree_rcu_init(void) { @@ -2163,7 +2161,6 @@ void kvfree_rcu_barrier(void) flush_all_rcu_sheaves(); __kvfree_rcu_barrier(); } -EXPORT_SYMBOL_GPL(kvfree_rcu_barrier); /** * kvfree_rcu_barrier_on_cache - Wait for in-flight kvfree_rcu() calls on a @@ -2186,7 +2183,6 @@ void kvfree_rcu_barrier_on_cache(struct kmem_cache *s) rcu_barrier(); __kvfree_rcu_barrier(); } -EXPORT_SYMBOL_GPL(kvfree_rcu_barrier_on_cache); static unsigned long kfree_rcu_shrink_count(struct shrinker *shrink, struct shrink_control *sc) --- base-commit: b01f6ed9ff0c4581fc669044fa5b82a93b4ef144 change-id: 20260730-unexport-barriers-439b3f69f791