From nobody Sat Feb 14 04:08:35 2026 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 183682576F for ; Thu, 16 May 2024 09:17:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715851053; cv=none; b=lRs9fWTsLqalU/xVSI1bloy/W0XhMUG8dICLbgvws9gVvHd4HJcZr3Ye5yf6YsQ66Z1Pih9kWpor83RgGY1sM0b/ifiZfgFmiGSMln66FpCZnbZkAT3lxhXzoxn8sEIhkXKGNAtCpvH33Sapu/idFHxnZtTttPaG6DCCqFDkomY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715851053; c=relaxed/simple; bh=ZadexFFezC3w9+jlqieXCACzwn6JSoQIVLbDQKIm/g8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=YMEfvBeYZAUhGnoHYwL4xJZRLD7cjZzY3byjT0zDBmFk7OUldU6pXcygmc68FPosM/DO9lsXROQZ/GyPQwZnjG8uhRUpU174/g9+vlJ1oTxqBk2cv0GF0lVMPSPVK6CZfpEZztc0o0l5x485sXf5+OpW6hfz27cLR6YRPotLr+M= 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=N5vEn36G; arc=none smtp.client-ip=95.215.58.179 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="N5vEn36G" X-Envelope-To: akpm@linux-foundation.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1715851048; 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=1JE4ANZQwE+LW47rs3NXLBhGDGN9Arjfv7ogeqT4+iU=; b=N5vEn36GlKUMXfEFhLxYmSLhiJ5sNAFUYZpNcga0tulb+2RCQZJ0wf3bNNQAxUkGhTtVeE jDP0ROS9MdNnejnkjno2qknnYtavFvNGmrEOswmM0mxCgGTRrFEPBurLBTn5AmLFZinxcw dVzQCaKmbRu0XWc9P2y9zSw1j/kGaPg= X-Envelope-To: linux-mm@kvack.org X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: yajun.deng@linux.dev X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Yajun Deng To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yajun Deng Subject: [PATCH] mm/cma: get nid from physical address Date: Thu, 16 May 2024 17:17:01 +0800 Message-Id: <20240516091701.1527002-1-yajun.deng@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" The nid passed to cma_declare_contiguous_nid() may be NUMA_NO_NODE, which is not the actual nid. To get the correct nid, we can get the nid from physical address. Signed-off-by: Yajun Deng --- mm/cma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/cma.c b/mm/cma.c index 3e9724716bad..be6cdde32944 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -361,6 +361,7 @@ int __init cma_declare_contiguous_nid(phys_addr_t base, kmemleak_ignore_phys(addr); base =3D addr; } + nid =3D early_pfn_to_nid(PHYS_PFN(base)); =20 ret =3D cma_init_reserved_mem(base, size, order_per_bit, name, res_cma); if (ret) --=20 2.25.1