From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f69.google.com (mail-pj1-f69.google.com [209.85.216.69]) (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 9502230569B for ; Fri, 24 Jul 2026 15:16:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784906199; cv=none; b=fr7i820SMzqSDDPxGuSuv2e2VaZFv2qRcilwHrhbH90IAD+N87u14D+ETKOAu4fNcv5I7PgSdbfoD801tDiuLb8aYZf2exR+ca+ZXo+PcVzujjVYgN29muw+a2ENXfeNvSPFmWvQEyxStTLuvZjZZ4UckLL1iSGSrDkE6PdD7kI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784906199; c=relaxed/simple; bh=2bpP1ibW5dJmvFrzzhBS0AQ365XuAs8E3axf34t/Dlw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=CQgIq96HwRhFRSwD4VUpgyt894XYF4FTRKFmLtr7f0teVw1V0/D4wXZdv9//mx8bwdbB5O+zmDTa50j/EUw9AQIaYZhzump3dgDYqHIH6hCk9hKXHEfBbn+s0NG+/0ecO7ZOOUyjQRBuqGyPrZHohNR41IZF+Hj/tT55EPtFg9g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=nR3fsmQ7; arc=none smtp.client-ip=209.85.216.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="nR3fsmQ7" Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-38dd87656d3so556597a91.2 for ; Fri, 24 Jul 2026 08:16:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1784906198; x=1785510998; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=DZ8f+6ih5KROSa3iYv5xsmVxcdcq3+d3PqbnwpAR2WQ=; b=nR3fsmQ7N2HcC205WKRTn3ANgIHKpjC7ExmRF3aacxKdqH00XYTJVblHa11RWR6FCB 8ZdSRmZUyle9IlTE7QDAqKUFVqub766g2WuTtS3F81zqo5KUF/KNzQu/lpyd8lwNPKpY UOw4lvEvqLqA8HGqaZQOH4b7E3dzBx/4Z+4xXa4jFx9EFU7gRkmF6brWb81sPqOpHFmQ pdA5CCXfBPTcLUkjxdKccwhT9b0juwMB6Tz2jd945ZGK2yl9g8e0FSFVViZtLEqqH26F yEWUXIgXZA9E9+FzUVlnKzURYrp3itrn2VpL1PepEn8Tbb2MqXeIBK8NLW5pR8kaYfPj jIxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784906198; x=1785510998; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=DZ8f+6ih5KROSa3iYv5xsmVxcdcq3+d3PqbnwpAR2WQ=; b=j0ygFedskU9hLrzT8FfQ++lsY1az1LwNB+1msSr4D8y+Y/PZW6MBAnain7DV4EUyqD x69PpLfIBw4obKTTvRYOA4KSWr3rQ+FGuaGrr5c6KIuX57oIhV4Z746qNNQvR4h11OZz LOPFRFK/r+Ls415+M04trpbBCov1YLNU89ipfyXmzhpb5tkSIuNANhIzoH7yL9iOqPqH V8iCq8poy49FtsB2N60MgB6ulKc5T1Bi7jhuSJxihk4nZYT+LKZ87Cuzqu5KAJ1+Q8dh GWxIOyMT4l8S7EAjjiFJtUycjU2qU3RmRKNFaQJ3hzdN0BgyxdsSlmBkdceLawPN6fE5 txow== X-Forwarded-Encrypted: i=1; AHgh+RqGjGL8xPcC32Lj25iWjG6ZtfCw8qsQ0fVLM15pV860QrP8LVjJicysOt/Q3EiF03ISIEr1A6YsONMoKX14@vger.kernel.org X-Gm-Message-State: AOJu0YwCXqImCC6B9bvLp6SXPmqI7Vza+DiCVK4FAprvkSOxVDSqKbnO o8jSmECg43bQh73NonHoYx/rXBAYzDp8wiRi0xqD0XjhDwNwKypp9qjYUaTWrcbL0utCMBJMBga MhBEe9Q== X-Received: from pgbdp1.prod.google.com ([2002:a05:6a02:f01:b0:c92:11a5:bbce]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:1d98:b0:3c3:a490:9674 with SMTP id adf61e73a8af0-3c44b250f8dmr8630341637.64.1784906197213; Fri, 24 Jul 2026 08:16:37 -0700 (PDT) Date: Fri, 24 Jul 2026 08:16:36 -0700 In-Reply-To: <20260723143034.175661-6-willy@infradead.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260723143034.175661-1-willy@infradead.org> <20260723143034.175661-6-willy@infradead.org> Message-ID: Subject: Re: [PATCH v4 05/14] guest_memfd: Use folio_has_hwpoisoned_page() From: Sean Christopherson To: "Matthew Wilcox (Oracle)" Cc: Andrew Morton , Jane Chu , linux-mm@kvack.org, Muchun Song , Oscar Salvador , David Hildenbrand , Miaohe Lin , Naoya Horiguchi , Jan Kara , linux-fsdevel@vger.kernel.org, Christian Brauner , Jiaqi Yan Content-Type: text/plain; charset="us-ascii" On Thu, Jul 23, 2026, Matthew Wilcox (Oracle) wrote: > folio_test_hwpoison() only works on hugetlb folios today and will give > the wrong answer for other large folios. folio_has_hwpoisoned_page() > works on both. > > Signed-off-by: Matthew Wilcox (Oracle) > --- Acked-by: Sean Christopherson