From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.231 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793855899; b=Q5+Pxb1QN3mrflW1c2TiEZNyhYk7C4QRmm5f8e7amZp8nuoHLyWkTWBc5qgISSaNNh7s kW31sy2Vjcb1lv400pv8ynpCuIxSzpokbJyMEGXX/ibw11CXLAQUN6tpFAM7MpDaOOdjQ jFPSXW1fPbqFewsiiqXKiIl5JAA/XQ+ND2lGkThk1wDyJAEAIa+0hIttC4GmsCwP20xx+ 6yZkkRnkBynouHfCz5S+mB2w7o8dSDaxcb7QxqZOwz0McTfjI4xDJrOSxKZCt3aGGkWOZ DsA1KdntGQXaFxl4EkqUBB8gpNsWZTzf19aWWXVQI/BCajGBS+xgw5xlRBToGtGWsIg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793855899; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Content-Type:Mime-Version:Subject:From: In-Reply-To:Date:Cc:Content-Transfer-Encoding:Message-Id:References: To:X-Mailer; bh=EHHTNOyGnr1PE5k2wGmLgV3xyiVaxO8J8/TzziII9T8=; b=5Pa6+1xX+JyVdcqSNZebfFfxfYP49i2QLpYIb1pXdxqVZZdoohsBJ9cTHxz1PSebBhkt RhB9jjY+USTLjzjPrlssJTdVDgWShvoxGl0OkmOd587xLEHv68jcKM9hjZVkLF5TvucuQ 1YNZCtAJ+6VoCkfFVYSLN53efjAbMRpsGO9GNQWRcAwyr4ltDO/Fxl2q+9g/WZde9d/Bi 6t5+y1fd0p/fN8vTaNMKxIKe7BPoYWed8PCp+Y+ts6Rw9Ilf2+llXh40RF6KOYnKmE2t5 FqLB45fKqnu58JZYk6PowolJlYDSvcP+SQL6TsFciXaOKTGiOF+NtskI0iwz1MwfJMQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=iIUY62sq; arc=none smtp.remote-ip=91.218.175.231 Received: from mta0.migadu.com (out-231.mta0.migadu.com [91.218.175.231]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91502606A31B for ; Thu, 5 Nov 2026 05:18:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 91502606A31B 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, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=iIUY62sq X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=c1YgwgSqOv/daQ+67ELiYNYLj7qD2N3amAckkdhSUFU=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1793855896; v=1; x=1794460696; b=iIUY62sqPmW2pMv6ePdgQW66I8R2QKho+cZ+beRy3JpXoTHp1SmyC4FJVzNpsPofkSrP0ZbF df3S1o3gvdk74hb8luIwDiYBP8G02Sx9Vqc11wtqZLLaKXVxU55pcUCk5gZvanh67ffmnd6I87Z GwYBa0qIXYejXkd6Yb2mZ/vU= X-Envelope-To: linux-kernel@vger.kernel.org Received: by mta12.migadu.com with ESMTPS id 6facb84ef91715ec; Thu, 05 Nov 2026 05:18:16 +0000 X-Mizu-Trace-ID: 6facb84ef91715ec X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset=us-ascii X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3901.200.71.1.16\)) Subject: Re: [PATCH v2 3/4] mm: hugetlb: fix GFP mask propagation to CMA From: Muchun Song In-Reply-To: Date: Thu, 5 Nov 2026 13:17:57 +0800 Cc: osalvador@suse.de, David Hildenbrand , akpm@linux-foundation.org, azpijr@gmail.com, Lance Yang , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Qi Zheng , stable@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <711211AD-BD2A-497D-8541-B63C68509920@linux.dev> References: To: Qi Zheng X-Mailer: Apple Mail (2.3901.200.71.1.16) > On Nov 5, 2026, at 12:07, Qi Zheng wrote: > > From: Qi Zheng > > cma_alloc_frozen_compound() uses GFP_KERNEL, allowing direct reclaim > during the first MPOL_PREFERRED_MANY allocation attempt even though > the caller clears __GFP_DIRECT_RECLAIM. > > Pass the caller's GFP mask through the helper so CMA respects its > reclaim constraints when trying the preferred nodes. More natural. > > Fixes: 9bda131c6093 ("mm: cma: add cma_alloc_frozen{_compound}()") > Cc: stable@vger.kernel.org > Signed-off-by: Qi Zheng Acked-by: Muchun Song Thanks.