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 A2FB7C5478C for ; Fri, 1 Mar 2024 17:09:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3B2BF6B00A4; Fri, 1 Mar 2024 12:09:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 33BB66B00A3; Fri, 1 Mar 2024 12:09:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1B5F26B00A4; Fri, 1 Mar 2024 12:09:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 02E126B00A0 for ; Fri, 1 Mar 2024 12:09:09 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id C1259121457 for ; Fri, 1 Mar 2024 17:09:08 +0000 (UTC) X-FDA: 81849105576.10.E082EEA Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) by imf24.hostedemail.com (Postfix) with ESMTP id 90DCA180028 for ; Fri, 1 Mar 2024 17:09:06 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b="aNj5NV/2"; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=brc49zDQ; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=E6cyCfal; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=tSXpszqa; dmarc=pass (policy=none) header.from=suse.de; spf=pass (imf24.hostedemail.com: domain of hare@suse.de designates 195.135.223.131 as permitted sender) smtp.mailfrom=hare@suse.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1709312946; a=rsa-sha256; cv=none; b=3QiR7pkN7O/VLompS681DzlVlXRlXgJy5IEnrsIr12mL9OmTxz8LrO13msWlxQAGW/6fGd URvn5GJ+qK6Ytk1YwnKAphMLF50+WQTniuDGj+6AtTHn50WOvVA1bF3dVgdIQc+FSYVn4V /eqe+OVv3O/VcuWdkXOrCbEr2Rtaui4= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b="aNj5NV/2"; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=brc49zDQ; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=E6cyCfal; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=tSXpszqa; dmarc=pass (policy=none) header.from=suse.de; spf=pass (imf24.hostedemail.com: domain of hare@suse.de designates 195.135.223.131 as permitted sender) smtp.mailfrom=hare@suse.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1709312946; 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=689mBZGhGQUfWa8VF+TWtCsA1pVDyrfLSy6HHpUKbGs=; b=e5qorMVJoPIhPQuLVrelYX8L+S7wuWgXPbuld12ErIFUlKKQA8fNDvlT+nwbB6gfjb0MQP pQk6zrHupCGwbqBY4VxtC78NRMEIxW0NpsGd+Zky1D543zvEw+wzRDNzYSTW6zfRkMUuYn totst/yvxwMSVRe2z28sPbBjt8uiNcE= Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id D4BD6207BD; Fri, 1 Mar 2024 17:09:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1709312945; h=from:from:reply-to: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=689mBZGhGQUfWa8VF+TWtCsA1pVDyrfLSy6HHpUKbGs=; b=aNj5NV/2TsPNIpp8peTlN/rk60soZcwTTwHMHYm22eZKR4dADVXjXf/gFFIKnTFBvjvmJT VwQQujjq3MA1r6XqfDzv9LDpYViUh0EWMD3mIhsnxWFqUVFA0Cl0ronQWmIlfkxkqMIMDj xg0iwDlG0j0P4b5Ywlgg0jMUSdRAPdM= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1709312945; h=from:from:reply-to: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=689mBZGhGQUfWa8VF+TWtCsA1pVDyrfLSy6HHpUKbGs=; b=brc49zDQKjpgLipit4Y8pHygcJqL5kAQR9JM04C/sWU2OmaiAGI5b87ucuFykmt29+V2Ob KEUE665ntsyjVCDA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1709312944; h=from:from:reply-to: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=689mBZGhGQUfWa8VF+TWtCsA1pVDyrfLSy6HHpUKbGs=; b=E6cyCfalcoZAdEfZBxgq3fb7aPh6ewpF1uWo6JIlJ3MIW47kewWeWifp5RC0WTaY37vxab G27etjBjoPx4z6nkhJUKmw0GoZDVsnyS3FUEOs253kBjZOjv9ESKNCbtfShNcnhh3TXbI6 wXhnaCbmHxctUnmnbMi8xcWcPngFeNE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1709312944; h=from:from:reply-to: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=689mBZGhGQUfWa8VF+TWtCsA1pVDyrfLSy6HHpUKbGs=; b=tSXpszqaRek2+cn4bE7MJMw7xTwFXq/QrVhkEQeWw3MpdC/xOYRawc76CrCIbgn+t/SykM U75PYk69pF9GYaAQ== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 99D0813A59; Fri, 1 Mar 2024 17:09:03 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap1.dmz-prg2.suse.org with ESMTPSA id CEgAI68L4mVwGQAAD6G6ig (envelope-from ); Fri, 01 Mar 2024 17:09:03 +0000 Message-ID: <260e8b4a-429f-4b63-bb13-0161dcf7a61e@suse.de> Date: Fri, 1 Mar 2024 18:09:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 02/13] fs: Allow fine-grained control of folio sizes Content-Language: en-US To: "Pankaj Raghav (Samsung)" , linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org Cc: djwong@kernel.org, mcgrof@kernel.org, linux-mm@kvack.org, david@fromorbit.com, akpm@linux-foundation.org, gost.dev@samsung.com, linux-kernel@vger.kernel.org, chandan.babu@oracle.com, willy@infradead.org, Pankaj Raghav References: <20240301164444.3799288-1-kernel@pankajraghav.com> <20240301164444.3799288-3-kernel@pankajraghav.com> From: Hannes Reinecke In-Reply-To: <20240301164444.3799288-3-kernel@pankajraghav.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 90DCA180028 X-Stat-Signature: dsbhcujqtyonceshsaamheia6enpsx1m X-HE-Tag: 1709312946-667664 X-HE-Meta: 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 AWw== 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: List-Subscribe: List-Unsubscribe: On 3/1/24 17:44, Pankaj Raghav (Samsung) wrote: > From: "Matthew Wilcox (Oracle)" > > Some filesystems want to be able to ensure that folios that are added to > the page cache are at least a certain size. > Add mapping_set_folio_min_order() to allow this level of control. > > Signed-off-by: Matthew Wilcox (Oracle) > Co-developed-by: Pankaj Raghav > Signed-off-by: Pankaj Raghav > Signed-off-by: Luis Chamberlain > --- > include/linux/pagemap.h | 100 ++++++++++++++++++++++++++++++++-------- > 1 file changed, 80 insertions(+), 20 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich