From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-181.mta0.migadu.com (out-181.mta0.migadu.com [91.218.175.181]) (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 657751A73D for ; Mon, 30 Oct 2023 20:16:34 +0000 (UTC) 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="U7ucrjq/" Date: Mon, 30 Oct 2023 20:16:27 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1698696992; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Lw60s2vqsT+xLsSFkvhDcj7UgplRhBNRMHITqEbjoAg=; b=U7ucrjq//HTpf2PGatqTVMLRd2zPcYww3dIYtWyFWdl598C+OTgCK4oHmy1RqiG0dVktbd MxYRDVFo03sH/Jz834Jy+G/FalpSoPK4mFnseL7UQ8f175vCEMYNRUTXweJQt7rdOb92D5 apWkI7uLedGGMRo6L+wNfJypACs5n3Q= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: maz@kernel.org, Vincent Donnefort Cc: kvmarm@lists.linux.dev, kernel-team@android.com, willy@infradead.org, linux-arm-kernel@lists.infradead.org, will@kernel.org, ryan.roberts@arm.com Subject: Re: [PATCH v2 0/2] KVM: arm64: Use folio for THP support Message-ID: References: <20230928173205.2826598-1-vdonnefort@google.com> <169609490682.1603054.2653332700305524612.b4-ty@linux.dev> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <169609490682.1603054.2653332700305524612.b4-ty@linux.dev> X-Migadu-Flow: FLOW_OUT On Sat, Sep 30, 2023 at 05:57:31PM +0000, Oliver Upton wrote: > On Thu, 28 Sep 2023 18:32:02 +0100, Vincent Donnefort wrote: > > With the introduction of folios for transparent huge pages [1], we > > can rely on this support to identify if a page is backed by a huge one, > > saving a page table walk. > > > > v1 -> v2: > > * Add git reference to [1] in the commit message > > * GUP always acted on the Head page under the hood. Update the commit > > message. > > > > [...] > > Applied to kvmarm/next, thanks! > > [1/2] KVM: arm64: Do not transfer page refcount for THP adjustment > https://git.kernel.org/kvmarm/kvmarm/c/c04bf723ccd6 > [2/2] KVM: arm64: Use folio for THP adjustment > https://git.kernel.org/kvmarm/kvmarm/c/bf92834e6f6e Based on the discussion I've gone ahead and dropped the second patch. I'm keeping the first since it is a nice cleanup. Thanks Ryan for catching what would've otherwise been a rather nasty bug. -- Thanks, Oliver