Message ID | 20200529025824.32296-19-willy@infradead.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=ONGt=7L=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 1B585913 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 29 May 2020 03:37:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id DB99920721 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 29 May 2020 03:37:45 +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="p/4mTPXO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB99920721 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 ABB9B800BC; Thu, 28 May 2020 23:37:40 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A1AD280010; Thu, 28 May 2020 23:37:40 -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 90A0B800BC; Thu, 28 May 2020 23:37:40 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0199.hostedemail.com [216.40.44.199]) by kanga.kvack.org (Postfix) with ESMTP id 7802F80010 for <linux-mm@kvack.org>; Thu, 28 May 2020 23:37:40 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 45A6D181AEF1E for <linux-mm@kvack.org>; Fri, 29 May 2020 03:37:40 +0000 (UTC) X-FDA: 76868347080.03.fear93_42ee7294f1e3a Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id 2467D28A4E8 for <linux-mm@kvack.org>; Fri, 29 May 2020 03:37:40 +0000 (UTC) X-Spam-Summary: 2,0,0,b01345dda78a32e9,d41d8cd98f00b204,willy@infradead.org,,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1541:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3351:3865:3870:3874:4321:5007:6261:6653:7576:7875:8603:8957:10004:11026:11473:11658:11914:12043:12297:12438:12555:12895:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21451:21627:21990:30054,0,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:24,LUA_SUMMARY:none X-HE-Tag: fear93_42ee7294f1e3a X-Filterd-Recvd-Size: 2688 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf50.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Fri, 29 May 2020 03:37:39 +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=9KvoeAFnUpEm6vX6aegi31mfb0B48oh6WJ2ZQb46Eg0=; b=p/4mTPXO84eibr5G7Cu/wwQ2MD YvkRRfwMid53APEQ2o5vgnZ78ThzJG8WRW6grAOH2iOxUfqaRXQav8wS8Z3xQ3gF8aX7z9cYPtgDC +8dpO3u9RkcacbYIrK0ymtv+TyfCbve3PYAZjhlx+EV82bve/GiWlPZwUTzvZJKvvAARUtj0NRpLR 7ls1OnMgh4TxOT9aeFbcBQ0aLQ/JYhZcqkplRZYlKoulVWYl0gi6f5sSU6w5EZWtKe087RpTlPt0H jstu2fTWAj1lZG44qMRm4Ksp4l6MLiiYhbpV72AjXtob4Hzm3VzZwyUy61AlT4ltWfgAKi4sluNCH te/IC+ag==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeVE3-0008Rb-84; Fri, 29 May 2020 02:58:27 +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, Christoph Hellwig <hch@lst.de> Subject: [PATCH v5 18/39] iomap: Inline data shouldn't see large pages Date: Thu, 28 May 2020 19:58:03 -0700 Message-Id: <20200529025824.32296-19-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200529025824.32296-1-willy@infradead.org> References: <20200529025824.32296-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 2467D28A4E8 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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> |
Series |
Large pages in the page cache
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expand
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diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 8767241ae535..5b37844b7d97 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -221,6 +221,7 @@ iomap_read_inline_data(struct inode *inode, struct page *page, return; BUG_ON(page->index); + BUG_ON(PageCompound(page)); BUG_ON(size > PAGE_SIZE - offset_in_page(iomap->inline_data)); addr = kmap_atomic(page); @@ -736,6 +737,7 @@ iomap_write_end_inline(struct inode *inode, struct page *page, void *addr; WARN_ON_ONCE(!PageUptodate(page)); + BUG_ON(PageCompound(page)); BUG_ON(pos + copied > PAGE_SIZE - offset_in_page(iomap->inline_data)); addr = kmap_atomic(page);