Message ID | 20200610201345.13273-47-willy@infradead.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=G8WG=7X=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DBD2190 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 10 Jun 2020 20:39:02 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A82A42081A for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 10 Jun 2020 20:39:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="B6YqyDI1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A82A42081A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4850F8D0017; Wed, 10 Jun 2020 16:39:01 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 3E6718D000E; Wed, 10 Jun 2020 16:39:01 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 19F148D0017; Wed, 10 Jun 2020 16:39:01 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0134.hostedemail.com [216.40.44.134]) by kanga.kvack.org (Postfix) with ESMTP id EFFD88D000E for <linux-mm@kvack.org>; Wed, 10 Jun 2020 16:39:00 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id AE2401E097 for <linux-mm@kvack.org>; Wed, 10 Jun 2020 20:39:00 +0000 (UTC) X-FDA: 76914466440.20.girls45_4b03f2b26dce Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin20.hostedemail.com (Postfix) with ESMTP id 8796F1801BF71 for <linux-mm@kvack.org>; Wed, 10 Jun 2020 20:39:00 +0000 (UTC) X-Spam-Summary: 2,0,0,e196f532e7d7792e,d41d8cd98f00b204,willy@infradead.org,,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1541:1711:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3352:3865:3866:3867:4321:4605:5007:6261:6653:7576:10004:11026:11658:11914:12043:12296:12297:12438:12555:12895:13069:13311:13357:13894:14181:14384:14394:14721:21080:21451:21627:30054,0,RBL:198.137.202.133:@infradead.org:.lbl8.mailshell.net-64.201.201.201 62.8.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:15,LUA_SUMMARY:none X-HE-Tag: girls45_4b03f2b26dce X-Filterd-Recvd-Size: 2904 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf39.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Wed, 10 Jun 2020 20:39:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=nogVZwCGMHTUnccVf6su9Crc41Rj8q29sZmEfeg+55U=; b=B6YqyDI1W81riSbux+Vqd6NQmq cAoL/rxz0dLAReAf6MspJHD1x1Gb9CYEfTcjhnFjQuAWU+a3aOM3Gq3E1DLA7K2peW0+M7zBhIOyX K76vx756jdjTDWtlW56VZupLDFsFQl2sC34HjPV/uiS1BmthqJmt9VWcNr+Y6FMNHCDGgGX/pLFEn mB8R1MKvYrmnYTPzNMk26lbJByeJngAZIbQ+x3SXVVsQOp1kUYuvDQivzNOKgSzS2Fk5dHQ8iguRf 0JRv07onWNjVa5ORY11q3sgv7cjIsI/nzzEHzFcjzgT8oPsexNajzCPyVVAAsypE9MOe8Qx39LZKG uGnzvRWQ==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jj76b-0003Xy-5H; Wed, 10 Jun 2020 20:13:49 +0000 From: Matthew Wilcox <willy@infradead.org> To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 46/51] mm: Add DEFINE_READAHEAD Date: Wed, 10 Jun 2020 13:13:40 -0700 Message-Id: <20200610201345.13273-47-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200610201345.13273-1-willy@infradead.org> References: <20200610201345.13273-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 8796F1801BF71 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 Content-Transfer-Encoding: quoted-printable 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: <linux-mm.kvack.org> |
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Large pages in the page cache
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diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 8455a3e16900..77c20da5ae99 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -759,6 +759,13 @@ struct readahead_control { unsigned int _batch_count; }; +#define DEFINE_READAHEAD(rac, f, m, i) \ + struct readahead_control rac = { \ + .file = f, \ + .mapping = m, \ + ._index = i, \ + } + /** * readahead_page - Get the next page to read. * @rac: The current readahead request. diff --git a/mm/readahead.c b/mm/readahead.c index 3c9a8dd7c56c..2126a2754e22 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -179,11 +179,7 @@ void page_cache_readahead_unbounded(struct address_space *mapping, { LIST_HEAD(page_pool); gfp_t gfp_mask = readahead_gfp_mask(mapping); - struct readahead_control rac = { - .mapping = mapping, - .file = file, - ._index = index, - }; + DEFINE_READAHEAD(rac, file, mapping, index); unsigned long i; /*