Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCD92C636CC for ; Sat, 18 Feb 2023 11:49:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229607AbjBRLtV (ORCPT ); Sat, 18 Feb 2023 06:49:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbjBRLtT (ORCPT ); Sat, 18 Feb 2023 06:49:19 -0500 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41CBD1716E; Sat, 18 Feb 2023 03:49:18 -0800 (PST) Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 15A701C0E0B; Sat, 18 Feb 2023 12:49:17 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1676720957; 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=MrT/EFdUKIU+QQlz/ufzFcdq3rjNr1BzPWs3Kp+y7A4=; b=orNXhvI09gvhvis+8LFhbtk6jzrig675VbX0ZbGHnaVtQsbOqzjQ7d3f11ovcxUTFiYSjQ guCwjvGFYpoUsQzgH5Fr8L+9A2HBmZiHDj2qtjDLOxDcNv7w1BYCNe1vJJjNqW3YqofvEe T9626V/IGoDJgp99ABxEutYlW/4EhgU= Date: Sat, 18 Feb 2023 12:48:32 +0100 From: Pavel Machek To: Brian Geffon Cc: "Rafael J. Wysocki" , Len Brown , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] PM: hibernate: don't store zero pages in the image file. Message-ID: References: <20230113193006.1320379-1-bgeffon@google.com> <20230114001518.1378049-1-bgeffon@google.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="jyqNYtISB/UAdYjy" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --jyqNYtISB/UAdYjy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > I need some more time to go through this in more detail, so it is > > likely to miss 6.3. Sorry about that. >=20 > No problem, consider this more of an RFC, it seems like a > low-risk/low-cost way to reduce image sizes so I was just hoping to > get feedback. Take your time reviewing. Seems like special case of compression, really, it might be better to leave it to compression algorithm to solve that. Not sure if lzo is optimal if you want max speed, but things like gzip should be "almost free", too. Best regards, Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --jyqNYtISB/UAdYjy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCY/C7EAAKCRAw5/Bqldv6 8jYYAJ9Jesunbjudh4VRVUkCCIX0APEW7gCfRo3vne1VvjeV9QbgWj4um19wWf0= =bp9r -----END PGP SIGNATURE----- --jyqNYtISB/UAdYjy--