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 X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B5A2C433DF for ; Fri, 29 May 2020 02:59:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C23ED2075F for ; Fri, 29 May 2020 02:59:00 +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="qo7Pg4gB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C23ED2075F 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 97777800C4; Thu, 28 May 2020 22:58:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DDD2E800C7; Thu, 28 May 2020 22:58:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A04D9800BF; Thu, 28 May 2020 22:58:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0237.hostedemail.com [216.40.44.237]) by kanga.kvack.org (Postfix) with ESMTP id BD39E800C6 for ; Thu, 28 May 2020 22:58:29 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 7FF31180AD822 for ; Fri, 29 May 2020 02:58:29 +0000 (UTC) X-FDA: 76868248338.08.soup78_fe675e5c971b Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin08.hostedemail.com (Postfix) with ESMTP id 6A0DD1819E785 for ; Fri, 29 May 2020 02:58:29 +0000 (UTC) X-HE-Tag: soup78_fe675e5c971b X-Filterd-Recvd-Size: 2660 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf17.hostedemail.com (Postfix) with ESMTP for ; Fri, 29 May 2020 02:58:29 +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=oT+8lwQ/brzvgB0YZUbOhpyCrOjpQvYYX3M679KauI8=; b=qo7Pg4gBGqaEYqgnCvJuRTJOVA VRwmaaVw5bvOt4WyDosLRIwecxzg/zS9JQideBZfsJp1xCCkW6/2jIdhxzCsGVa9nsrR8zp4SPDvR pKVTh0W63IupSxC4VEgoboU3JgYX8CwDN4J4pAADQvUD0bYvJ1u9Ba0g+d5KGbr6/RpZuaGAt63Lg qmyLflOi1sPTjJjlzfy+Sq/YxnnfR/dR4ukzYFE9S9CPqKMbn+fWuv9qiZzrHpuJY244rvrOSaicH 3FkEFHP64tQgkjU+CeN8tLabzZnW2o8osZK9uy+svPztsGsoC8Q5D2E/Ya7Vk3uNqmmWexZiDSRcl O2xHMFtw==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeVE2-0008Q7-PB; Fri, 29 May 2020 02:58:26 +0000 From: Matthew Wilcox To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 05/39] mm: Introduce thp_order Date: Thu, 28 May 2020 19:57:50 -0700 Message-Id: <20200529025824.32296-6-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: 6A0DD1819E785 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: From: "Matthew Wilcox (Oracle)" Like compound_order() except 0 when THP is disabled. Signed-off-by: Matthew Wilcox (Oracle) --- include/linux/huge_mm.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index e944f9757349..1f6245091917 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -276,6 +276,11 @@ static inline unsigned long thp_size(struct page *pa= ge) return page_size(page); } =20 +static inline unsigned int thp_order(struct page *page) +{ + return compound_order(page); +} + struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long= addr, pmd_t *pmd, int flags, struct dev_pagemap **pgmap); struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long= addr, @@ -335,6 +340,7 @@ static inline int hpage_nr_pages(struct page *page) } =20 #define thp_size(x) PAGE_SIZE +#define thp_order(x) 0U =20 static inline bool __transparent_hugepage_enabled(struct vm_area_struct = *vma) { --=20 2.26.2