From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 55A24CE7AB7 for ; Fri, 22 Sep 2023 19:41:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:To:From:Subject:Message-ID:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gGpbIso2eII8dLRAyoGZPaCL00Tuf+mlfrGHCdjOY28=; b=Xb9/NEZSKZNaIV PPOwlU/tND1T6an+KsA/+mPY8Ld0VJNUgJWwNs0yzr38sqlPo80//XhFXWK4JbaX7exw8cJHsFGYK Rj7PgOXeMDQ7J9pKCCOIXDJO00K2C1nnTfnX0lc7h/Q6zzlhWO6SxWESPj3Y2IHOEkyL+FDfPs7jU 9xqIxRqOd0YMFJsb/Z89ZECBDXhJc7ZjCbdhwEXkHVdi5XtwBaodVJZtCSm9waO0xmWYQ3VG1LhuE UxaOZKFbTm+xUPGa9x5Gy4nFW1elA4I/UTfMlLciVWd8Zaz7v3S53Dt7NLm/L7s1TeJ6UtNn621KP qYGNz3AsjRHJhaqQ//Vg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qjm1u-009j94-20; Fri, 22 Sep 2023 19:41:34 +0000 Received: from s3.sipsolutions.net ([2a01:4f8:242:246e::2] helo=sipsolutions.net) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qjm1m-009j8Q-2S for linux-um@lists.infradead.org; Fri, 22 Sep 2023 19:41:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:To:From:Subject:Message-ID:Sender: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=FZbxE6pFsjN+ufxO9f2Z/eYihsdo7/KlMgaLlbbowdQ=; t=1695411686; x=1696621286; b=gEEMGtO5sJI01h0CGWdAoLlqahFE9rBDcWHJD9swWlNEiHk zU3o7w1ZfuTFrNYfUCvj9aVk6h7ysC//IHJ5ofBjztktOJvmg8pFwC7By/PcyjKVeWCmuvQAPmD+0 SFM9sXOISW27LPgDWc45k4pKpy3zRt6vmnnwZA4idMBTrb3ZXsOMs42cIggWlizoaGYP7L6BTMp6W bL3aif8QrZZ19ueHqGnziISVNdHFdZXi6wOO3DvhWCnjbM7m5vbGeSeCoiwjxxtcDj42d+SZ79lbz L4lUpWop1F6ScKd5tda6+yelHytaefwVrIlH5leu1T5XiXsNULXggJi0t6LgFeiw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1qjm1k-00Fi4C-1z; Fri, 22 Sep 2023 21:41:24 +0200 Message-ID: Subject: Re: [PATCH] um: clean up mm creation From: Johannes Berg To: Anton Ivanov , linux-um@lists.infradead.org Date: Fri, 22 Sep 2023 21:41:23 +0200 In-Reply-To: <88e0568b-6860-9042-7f8b-ab53edb4242e@cambridgegreys.com> References: <20230922131638.2c57ec713d1c.Id11dff4b349e6a8f0136bb6bb09f6e01a80befbb@changeid> <88e0568b-6860-9042-7f8b-ab53edb4242e@cambridgegreys.com> User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) MIME-Version: 1.0 X-malware-bazaar: not-scanned X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230922_124126_799810_9179E31E X-CRM114-Status: UNSURE ( 6.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Fri, 2023-09-22 at 14:41 +0100, Anton Ivanov wrote: > > It is nearly twice slower than the current approach on a find /usr -type f -exec cat {} > /dev/null \; > Btw, I cannot reproduce that at all - seems about the same in my tests? Is there anything special in your setup? Or maybe it's because I'm using hostfs? But not sure why that would matter. johannes _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um