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=-9.6 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 E1712C83004 for ; Wed, 29 Apr 2020 13:37:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9DE3621707 for ; Wed, 29 Apr 2020 13:37:21 +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="BXbcKwKX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DE3621707 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 D37F88E0006; Wed, 29 Apr 2020 09:37:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 64C868E000D; Wed, 29 Apr 2020 09:37:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BFF378E0022; Wed, 29 Apr 2020 09:37:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0168.hostedemail.com [216.40.44.168]) by kanga.kvack.org (Postfix) with ESMTP id C573A8E000D for ; Wed, 29 Apr 2020 09:37:00 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 8CC38824805A for ; Wed, 29 Apr 2020 13:37:00 +0000 (UTC) X-FDA: 76760993400.22.base02_3d2aff0d3383f X-HE-Tag: base02_3d2aff0d3383f X-Filterd-Recvd-Size: 2660 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf04.hostedemail.com (Postfix) with ESMTP for ; Wed, 29 Apr 2020 13:37:00 +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=oT+8lwQ/brzvgB0YZUbOhpyCrOjpQvYYX3M679KauI8=; b=BXbcKwKXX4J6B5Yq6W27whKHfW RMek7pSE6UZ0GxybudeKSgbhH+cCqv73jI+nOszKGY+bcB1YX5s0ZujbIdT7mi9j7Pjrk9OxuC5Sb huG+X0qvDsNQCTStg4wPMddhLvrNa3hYx3iLc3O6V2F9JIVhKGbXVXLiph/NBGINeCpP8aLaMdOIW i88lUe/CgX4vEcAHNsPPgJQVVW2/GgC9bz0T/COBMLSY51Hz63YO6oQXEaN0yScVr2ky0dCyEEy7l sbv7AWy0m6Rk4qr2fgjIN88Bmxcc+Y7J4vg2/uIrPMMkYzx686hj+vm+QOhGWjABWNCcRxKZKUghe UB4OtL8Q==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTmtX-0005uS-5w; Wed, 29 Apr 2020 13:36:59 +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 v3 03/25] mm: Introduce thp_order Date: Wed, 29 Apr 2020 06:36:35 -0700 Message-Id: <20200429133657.22632-4-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200429133657.22632-1-willy@infradead.org> References: <20200429133657.22632-1-willy@infradead.org> MIME-Version: 1.0 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