Message ID | 20200610201345.13273-38-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 9B0A190 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 10 Jun 2020 20:39:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6779420814 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 10 Jun 2020 20:39:18 +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="LAoTgmZq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6779420814 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 5725F8D001F; Wed, 10 Jun 2020 16:39:15 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 4F77C8D000E; Wed, 10 Jun 2020 16:39:15 -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 3990F8D001F; Wed, 10 Jun 2020 16:39:15 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0202.hostedemail.com [216.40.44.202]) by kanga.kvack.org (Postfix) with ESMTP id 21E2A8D000E for <linux-mm@kvack.org>; Wed, 10 Jun 2020 16:39:15 -0400 (EDT) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id D4E1E181ABEA4 for <linux-mm@kvack.org>; Wed, 10 Jun 2020 20:39:14 +0000 (UTC) X-FDA: 76914467028.05.stew87_4b0515426dce Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin05.hostedemail.com (Postfix) with ESMTP id ACBFB18036FEE for <linux-mm@kvack.org>; Wed, 10 Jun 2020 20:39:14 +0000 (UTC) X-Spam-Summary: 2,0,0,c3c7cfe225656087,d41d8cd98f00b204,willy@infradead.org,,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1540:1711:1730:1747:1777:1792:2198:2199:2393:2559:2562:2693:2892:3138:3139:3140:3141:3142:3352:3865:3866:3867:3870:4250:4321:5007:6119:6261:6653:7576:8603:10004:11026:11473:11658:11914:12296:12297:12438:12555:12895:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21451:21627:21990:30003:30054:30070:30075,0,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:1,LUA_SUMMARY:none X-HE-Tag: stew87_4b0515426dce X-Filterd-Recvd-Size: 2555 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf37.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Wed, 10 Jun 2020 20:39:14 +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=W4JF/8+4T74bu7dBYV5gPvgjn/5tVoyv2zfUGPd36qk=; b=LAoTgmZqcjMuG+HCWwA5BxKMbm Nyiwbqf3Xa8NAh4iH5iThagnkB86tvgqE8VqwdsvILSa9ApozrBRx1UoRfXdTZY/Cauy6TKA4zr34 0CObYbAOF5vT9G/R3029RFDiAZxL7qUl2BM9V7U2lxXmSofogsIyKWzY47bfxN6z4gYrOIMB6jnJQ XvDcxJqlghi4i4a7SL7APlV+VMSh5Xnl9f/Wc9y0kJ+PwBpwV6MZx2UdiRSoCuxEePDsAKtEzj6Cn 2cIpvBS3CHQbmUe22So5PS0HyRXQutAimltARhNfCjSbgayoieOylYetLtrB+ZvtZS2bF0Gu6vs+2 bqKSLVmw==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jj76a-0003Wz-P8; Wed, 10 Jun 2020 20:13:48 +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 37/51] mm: Remove page fault assumption of compound page size Date: Wed, 10 Jun 2020 13:13:31 -0700 Message-Id: <20200610201345.13273-38-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: ACBFB18036FEE X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 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
|
expand
|
diff --git a/mm/memory.c b/mm/memory.c index dc7f3543b1fd..3e6ef0ebfdd0 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3552,13 +3552,14 @@ static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page) unsigned long haddr = vmf->address & HPAGE_PMD_MASK; pmd_t entry; int i; - vm_fault_t ret; + vm_fault_t ret = VM_FAULT_FALLBACK; if (!transhuge_vma_suitable(vma, haddr)) - return VM_FAULT_FALLBACK; + return ret; - ret = VM_FAULT_FALLBACK; page = compound_head(page); + if (page_order(page) != HPAGE_PMD_ORDER) + return ret; /* * Archs like ppc64 need additonal space to store information