From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-253.mta0.migadu.com [91.218.175.253]) (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 3047532B989 for ; Mon, 14 Sep 2026 03:34:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.253 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789356855; cv=none; b=WYE42QuaHnZmyAlg073YFsgMWGzKyOX2SV+x8tQcImkGkO69xDKWIJGqb3/W+aFspt9XH9bp4S2s70XKET1xrhb4Q5Z1CpL4NSB97K/bRtuI2NPqkn0qbNvLcfp3zlS5wACSwopt/FFa0NX17kWN79hIXzYwnYOBIRVVoChZq8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789356855; c=relaxed/simple; bh=0ZUsP0LswRkkip9tShGsyYFmjM0FkrhaBvJDLod4oH4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QEZ6I9Bvy/ALu2E7aUm5E6BIbEn2bchRlkoXWitZyo+MFv8XuwzP/DcSLuAIv8UrlIttTRGnrwQjkR2wOnCc5yX+zJwsND6pymGzutUc3y96ae3UQ086VQP5qPIvihNM/1u4LTPhNKiFPVnWXdjt012ehrxvnjlIYR9poJG58EY= 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=frhkQO5L; arc=none smtp.client-ip=91.218.175.253 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="frhkQO5L" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=0ZUsP0LswRkkip9tShGsyYFmjM0FkrhaBvJDLod4oH4=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1789356851; v=1; x=1789961651; b=frhkQO5LtdWunzsKyZlnoLMs62oBHjdMfCTPAklKUW5P9QGe1PVHKCnRQ3OpsYzBIJIX3VT3 1SHlrmu4hxM7kWsm1SwvExnH9b4UderxbW9qC/bHHvrByOJnXBVEQ/5oQsBurL1fJI6OYtz96qN 2Ik8uet51XreKvmvdSPAwpNI= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 57ee228aeb5f01e7; Mon, 14 Sep 2026 03:34:11 +0000 X-Mizu-Trace-ID: 57ee228aeb5f01e7 X-Migadu-Flow: FLOW_OUT From: Ye Liu Date: Mon, 14 Sep 2026 11:34:00 +0800 Subject: [PATCH 1/3] mm/vmalloc: group xa_init with vbq field initializations 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: <20260914-vmalloc_study-v1-1-526f68559706@linux.dev> References: <20260914-vmalloc_study-v1-0-526f68559706@linux.dev> In-Reply-To: <20260914-vmalloc_study-v1-0-526f68559706@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 Move xa_init() next to the other vbq field initializations instead of after the unrelated vfree_deferred setup. Signed-off-by: Ye Liu --- mm/vmalloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 859e6d2d57a3..117483dd048c 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -5585,10 +5585,11 @@ void __init vmalloc_init(void) vbq = &per_cpu(vmap_block_queue, i); spin_lock_init(&vbq->lock); INIT_LIST_HEAD(&vbq->free); + xa_init(&vbq->vmap_blocks); + p = &per_cpu(vfree_deferred, i); init_llist_head(&p->list); INIT_WORK(&p->wq, delayed_vfree_work); - xa_init(&vbq->vmap_blocks); } /* -- 2.25.1