From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-179.mta0.migadu.com [91.218.175.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B44C3CFF72 for ; Tue, 15 Sep 2026 02:43:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789440226; cv=none; b=AJplKGNz7rDiCi1GmyChHQv9g13tRfNZ2GXc7CoyRLYAcNw9gYfUWiR6SPSN5XFcu9cwpKM2zlqaz9miW4j/mxhDMA3AzLhr++L26yBvg+nPU05UpZDnhQEtzUPgBytgD3ipqh3w8QBdS5lM4RMTfAaIU+lvnoPnxIRQVxbhjL4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789440226; c=relaxed/simple; bh=bALxJHIgAAekMhWqcUjYkzxgbHtb4sDDdgHlmxKh0to=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=I47o7rQ0whbSN3Uw/ucidq/NIp4CANzvwmH2wBxVugKeBP99rMYAbxcc1UM4GmfFV3Fn80qM1LJ0bOSoRlEaK8bygIuvkLlNO2tYnfhsyeTqnzoYykhNm1lqSaC5Ieg7xCEnGPUhz9qiELvi+rvU5z5zxP65XdlbCUDYDriYU2M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=jOLQNcla; arc=none smtp.client-ip=91.218.175.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="jOLQNcla" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=bALxJHIgAAekMhWqcUjYkzxgbHtb4sDDdgHlmxKh0to=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1789440222; v=1; x=1790045022; b=jOLQNclagNVGQExjMJXidEsqipdzNc0JwJw4bcPHEAwXdQ1mEyk9k5JwUqouz8yv2oHwwYiH 0FtHRT8gUjUdRitaoPr4B1xY8wy/O6zBww+DsfpiTkr/uH/V13Y0DbLEgru8o4SKVgO5tIybstx UONbIVXYIZF1IRrxHoz169+E= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id b622b93473112159; Tue, 15 Sep 2026 02:43:42 +0000 X-Mizu-Trace-ID: b622b93473112159 X-Migadu-Flow: FLOW_OUT From: Ye Liu Date: Tue, 15 Sep 2026 10:43:32 +0800 Subject: [PATCH v2 3/3] mm/vmalloc: extract show_busy_info from vmalloc_info_show Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260915-vmalloc_study-v2-3-cc4dfe635e22@linux.dev> References: <20260915-vmalloc_study-v2-0-cc4dfe635e22@linux.dev> In-Reply-To: <20260915-vmalloc_study-v2-0-cc4dfe635e22@linux.dev> To: Andrew Morton , Uladzislau Rezki Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ye Liu X-Mailer: b4 0.14.3 From: Ye Liu Extract the busy vmap area iteration into show_busy_info, mirroring the existing show_purge_info pattern. Signed-off-by: Ye Liu Reviewed-by: Uladzislau Rezki (Sony) --- mm/vmalloc.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 973d15ef4f3e..e09d6c8c8b35 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -5345,7 +5345,7 @@ static void show_purge_info(struct seq_file *m) } } -static int vmalloc_info_show(struct seq_file *m, void *p) +static void show_busy_info(struct seq_file *m) { struct vmap_node *vn; struct vmap_area *va; @@ -5415,12 +5415,18 @@ static int vmalloc_info_show(struct seq_file *m, void *p) spin_unlock(&vn->busy.lock); } + if (IS_ENABLED(CONFIG_NUMA)) + kfree(counters); +} + +static int vmalloc_info_show(struct seq_file *m, void *p) +{ + show_busy_info(m); + /* * As a final step, dump "unpurged" areas. */ show_purge_info(m); - if (IS_ENABLED(CONFIG_NUMA)) - kfree(counters); return 0; } -- 2.25.1