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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E03BC00140 for ; Wed, 10 Aug 2022 06:32:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A2D428E0003; Wed, 10 Aug 2022 02:32:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9DCEE8E0001; Wed, 10 Aug 2022 02:32:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8CC328E0003; Wed, 10 Aug 2022 02:32:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 7E2058E0001 for ; Wed, 10 Aug 2022 02:32:09 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 5598A1A1255 for ; Wed, 10 Aug 2022 06:32:09 +0000 (UTC) X-FDA: 79782713178.24.B3DE461 Received: from out1.migadu.com (out1.migadu.com [91.121.223.63]) by imf28.hostedemail.com (Postfix) with ESMTP id C14AAC015E for ; Wed, 10 Aug 2022 06:32:08 +0000 (UTC) Content-Type: text/plain; charset=us-ascii DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1660113127; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DAjRXl+IOpbco/oYLDpt+WmOIX0cUSgYTN3T7MiMSO8=; b=WMNHLkzCI1DxLsVp2GEGVeSOObpwSep2Vej6o59+iiCm5UU5JopEkzmk06RYvk93Ui1ooO bIbfLWeKgLBVF6m8Expd9WEfBDvLD+iHZCwCAQPWmEASulvYv1LycN8vH9Vw94mLug9Ddz QsbKiDxplWHAI0gYiKDpvqkg6rIZXgw= MIME-Version: 1.0 Subject: Re: [PATCH v2 01/16] mm/page_alloc: Cache page_zone() result in free_unref_page() X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20220809171854.3725722-2-willy@infradead.org> Date: Wed, 10 Aug 2022 14:31:54 +0800 Cc: linux-mm@kvack.org Content-Transfer-Encoding: quoted-printable Message-Id: <261D37DB-80B6-41D3-8070-F388EA4C6A44@linux.dev> References: <20220809171854.3725722-1-willy@infradead.org> <20220809171854.3725722-2-willy@infradead.org> To: "Matthew Wilcox (Oracle)" X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=WMNHLkzC; spf=pass (imf28.hostedemail.com: domain of muchun.song@linux.dev designates 91.121.223.63 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660113129; a=rsa-sha256; cv=none; b=1TozRtKt0+fTtdJ6OgjKoGlJFb6XsomJ3Uvw9LARROXgzGZHD1tmEey5VII7ow1gBYVwKc lW3fQ9OJ+Aa4t51uVVVFartuUPK8l5nEB3bAfewZYcZk7rjjQNUz6bjHhWxc+eo7FNYIxR n4lQB6y8us114jzHebN97fi4ssbErio= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660113129; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=DAjRXl+IOpbco/oYLDpt+WmOIX0cUSgYTN3T7MiMSO8=; b=OHNgv2ri+L2wA2mpJ4z2T+eX7nM7csxblsd5t9a1aXAzxcKSnSZKGgyx3tcm/0JF00q1R3 +SrsNi4ZzW43dgNo6YvQ/j/EULXrjOGYNSPB+bSPaWhmbN1WEkVWndQWRzTzmYng405TNn pt0StJ3PQHvcCbS2WqPq8hbtBZuPmuM= X-Stat-Signature: sqct3bqbb8k1ty54iboyu58rrg91jjs5 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: C14AAC015E Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=WMNHLkzC; spf=pass (imf28.hostedemail.com: domain of muchun.song@linux.dev designates 91.121.223.63 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev X-HE-Tag: 1660113128-997339 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Aug 10, 2022, at 01:18, Matthew Wilcox (Oracle) = wrote: >=20 > Save 17 bytes of text by calculating page_zone() once instead of = twice. >=20 > Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Muchun Song Thanks.