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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783932936; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=lRQmt4fwY1pc83IFqnyeFa3xOFtn7qun/zE5d+hdHz8=; b=VCPm2n9UQKVR4xjj4T1LbYJORcayH6qqLMp+hCPm9RGeN+6D0xu8GSkBowu/PS2guv5m+b Xwu9j1vMNww/fxb6P1mSg1LquSQuJ6REZqA0NFDLFyHXJRaLs5Pv6QD0ngboHOKkLPQjIc SqKb1sHStxIMiionF5pejh9FjoMr5js= From: Guopeng Zhang To: Andrew Morton , Roman Gushchin , Shakeel Butt , Stanislav Fort Cc: Johannes Weiner , Michal Hocko , Muchun Song , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Guopeng Zhang Subject: [PATCH] mm: memcg-v1: account vmpressure event allocations Date: Mon, 13 Jul 2026 16:55:20 +0800 Message-ID: <20260713085520.2953121-1-guopeng.zhang@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 872AC18000E X-Stat-Signature: a7ewggnx8cbi4rgfat3iwry9fkbmmx16 X-HE-Tag: 1783932938-183098 X-HE-Meta: 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 FGdIP74Q FqN+ChDWRr/xJ/8YaeoiqajOi+t0/vJJEuz0j8TvOO8xPXFlPoMMZOgpdVvL0PYe7XWaNfOvaG+dA0gQQtFfLzc5c5tg8c88NclVfdobwrl1vn5au8YN7SZ+gOztMjJBOolDqyJkTP09WY/axKRftJZ3OgHfMU7Y2w/rVKNtyIInq9l/OlmjUV/scaUpTB1J2wf4jlnqPyhkiSwiA+fT9ENkri6i4VgtE2781 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Guopeng Zhang Commit 72797d218b43 ("mm/memcg: v1: account event registrations and drop world-writable cgroup.event_control") accounted cgroup v1 event registration allocations with GFP_KERNEL_ACCOUNT, but missed struct vmpressure_event. Use GFP_KERNEL_ACCOUNT for this allocation as well. Fixes: 72797d218b43 ("mm/memcg: v1: account event registrations and drop world-writable cgroup.event_control") Signed-off-by: Guopeng Zhang --- mm/memcontrol-v1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c index e8b6e1560278..f8424ec3734b 100644 --- a/mm/memcontrol-v1.c +++ b/mm/memcontrol-v1.c @@ -1721,7 +1721,7 @@ int vmpressure_register_event(struct mem_cgroup *memcg, mode = ret; } - ev = kzalloc_obj(*ev); + ev = kzalloc_obj(*ev, GFP_KERNEL_ACCOUNT); if (!ev) { ret = -ENOMEM; goto out; -- 2.43.0