From patchwork Wed Sep 25 00:51:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11159849 Return-Path: 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 29F781709 for ; Wed, 25 Sep 2019 00:52:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EAA9321655 for ; Wed, 25 Sep 2019 00:52:55 +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="d2NWBPO+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EAA9321655 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 8D6426B0278; Tue, 24 Sep 2019 20:52:37 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 80AEC6B0279; Tue, 24 Sep 2019 20:52:37 -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 700D66B027A; Tue, 24 Sep 2019 20:52:37 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0020.hostedemail.com [216.40.44.20]) by kanga.kvack.org (Postfix) with ESMTP id 44A206B0278 for ; Tue, 24 Sep 2019 20:52:37 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id D1AB1824376D for ; Wed, 25 Sep 2019 00:52:36 +0000 (UTC) X-FDA: 75971617512.20.toes88_6e1750a56924b X-Spam-Summary: 2,0,0,1bf032c22ef52cc7,d41d8cd98f00b204,willy@infradead.org,:linux-fsdevel@vger.kernel.org::linux-kernel@vger.kernel.org:willy@infradead.org,RULES_HIT:41:355:379:541:800:960:968:973:988:989:1260:1311:1314:1345:1437:1515:1534:1542:1711:1730:1747:1777:1792:1801:2198:2199:2393:2559:2562:3138:3139:3140:3141:3142:3353:3865:3866:3867:3872:4250:4362:4605:5007:6119:6120:6261:6653:7576:7903:10004:11026:11658:11914:12043:12291:12296:12297:12438:12663:12679:12895:13894:14096:14181:14721:21080:21220:21324:21451:21627:21740:21796:30012:30036:30054:30056:30083,0,RBL:198.137.202.133:@infradead.org:.lbl8.mailshell.net-62.8.0.100 64.201.201.201,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:5,LUA_SUMMARY:none X-HE-Tag: toes88_6e1750a56924b X-Filterd-Recvd-Size: 4023 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Wed, 25 Sep 2019 00:52:36 +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:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Iij4AiVZizN/3WavyeQe30O/Qctp+EpEPG2/rssTGhE=; b=d2NWBPO+cJQTO7cy/KuThc+Et Jrr0ZF/vteZHveQ2m5qltMFPmGXQdEUTl5DW4vcnTTsNVAqpIpAPCvzd9l2iYORY2XpfiFS03D2ZX MPHFvKHe+WhY69n8zUsQUWNd2s1NbL1ao/+XWh25w+dMquJkQPNssjRALCKe+05KBwB0nsmobvGa2 83ati+Zq8wyQ4P5jOlF19o+QkZ77oeHsVWZaj0JWK3GXsefzGqlacBETV4B9OOj3LSTmKKs4eR9uy i5huzFvcFI64wpPWoVxO4t4MdWol9Q4lFpImLpM/e4fXb8R3Lud7P4ZFhXcGNxcn3PGaQz50bWSZd ZyP7JjiVw==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.2 #3 (Red Hat Linux)) id 1iCvXV-00076D-4c; Wed, 25 Sep 2019 00:52:17 +0000 From: Matthew Wilcox To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" Subject: [RFC 00/15] Large pages in the page-cache Date: Tue, 24 Sep 2019 17:51:59 -0700 Message-Id: <20190925005214.27240-1-willy@infradead.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 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: From: "Matthew Wilcox (Oracle)" Here's what I'm currently playing with. I'm having trouble _testing_ it, but since akpm's patches were just merged into Linus' tree, I thought this would be a good point to send out my current work tree. Thanks to kbuild bot for finding a bunch of build problems ;-) Matthew Wilcox (Oracle) (12): mm: Use vm_fault error code directly fs: Introduce i_blocks_per_page mm: Add file_offset_of_ helpers iomap: Support large pages xfs: Support large pages xfs: Pass a page to xfs_finish_page_writeback mm: Make prep_transhuge_page tail-callable mm: Add __page_cache_alloc_order mm: Allow large pages to be added to the page cache mm: Allow find_get_page to be used for large pages mm: Remove hpage_nr_pages xfs: Use filemap_huge_fault William Kucharski (3): mm: Support removing arbitrary sized pages from mapping mm: Add a huge page fault handler for files mm: Align THP mappings for non-DAX drivers/net/ethernet/ibm/ibmveth.c | 2 - drivers/nvdimm/btt.c | 4 +- drivers/nvdimm/pmem.c | 3 +- fs/iomap/buffered-io.c | 121 +++++++---- fs/jfs/jfs_metapage.c | 2 +- fs/xfs/xfs_aops.c | 37 ++-- fs/xfs/xfs_file.c | 5 +- include/linux/huge_mm.h | 15 +- include/linux/iomap.h | 2 +- include/linux/mm.h | 12 ++ include/linux/mm_inline.h | 6 +- include/linux/pagemap.h | 73 ++++++- mm/filemap.c | 311 ++++++++++++++++++++++++++--- mm/gup.c | 2 +- mm/huge_memory.c | 11 +- mm/internal.h | 4 +- mm/memcontrol.c | 14 +- mm/memory_hotplug.c | 4 +- mm/mempolicy.c | 2 +- mm/migrate.c | 19 +- mm/mlock.c | 9 +- mm/page_io.c | 4 +- mm/page_vma_mapped.c | 6 +- mm/rmap.c | 8 +- mm/swap.c | 4 +- mm/swap_state.c | 4 +- mm/swapfile.c | 2 +- mm/vmscan.c | 9 +- 28 files changed, 519 insertions(+), 176 deletions(-)